Cross reference · MS (US military standards) · Blind rivet
MS21141 cross referenceCherry CR7621
MS21141 is a blind rivet series on 158 government stock numbers. Its closest equivalents are Cherry CR7621. Each one is labeled with how strong the evidence is.
- Issued by MS
- Item Blind rivet
- Stock numbers 158
- Equivalents 17, 3 cited
- DLA paid $0.89 to $80.00
Documented equivalents
- CR7621 Cherry Aerospace · Approved alternate
Source
Cherry CA-1009 (MAXIBOLT), "Cherry Maxibolt® interchangeability" table, p.11 ↗
CA-1009: "This product meets the requirements of MS21141 for “-” and “S” code parts, except for “D” and “DN” finish codes." Part number examples: CR7621S-06-04 = MS21141S0604, CR7621-06-04 = MS21141-0604 (CA-1009 p.6).
The dash numbers are written differently: complete them from the cited document (example in the note).
Related, not equivalents (other head, material or the procurement spec): MS21140, CR7620
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- CR7621Cherry AerospaceApproved alternateon 6 of 158 stock numbers, 6 sizesCherry CA-1009 (MAXIBOLT), "Cherry Maxibolt® interchangeability" table, p.11 ↗
- CR7621SCherry AerospaceApproved alternateon 2 of 158 stock numbers, 2 sizesCherry CA-1009 (MAXIBOLT), "Cherry Maxibolt® interchangeability" table, p.11 ↗
- CR7621UCherry AerospaceApproved alternateon 1 of 158 stock numbersCherry CA-1009 (MAXIBOLT), "Cherry Maxibolt® interchangeability" table, p.11 ↗
- BPEU10HuckCatalog only, needs approvalon 10 of 158 stock numbers, 10 sizes
- BPEU08HuckCatalog only, needs approvalon 8 of 158 stock numbers, 8 sizes
- BPEU12HuckCatalog only, needs approvalon 5 of 158 stock numbers, 5 sizes
- BPEU06HuckCatalog only, needs approvalon 4 of 158 stock numbers, 4 sizes
- BPEU05HuckCatalog only, needs approvalon 3 of 158 stock numbers, 3 sizes
- SBPEU05HuckCatalog only, needs approvalon 2 of 158 stock numbers, 2 sizes
- SBPEU5HuckCatalog only, needs approvalon 2 of 158 stock numbers, 2 sizes
2 more on one stock number each: A4906, BPEU8
- A4906SPS TechnologiesCatalog only, needs approvalon 1 of 158 stock numbers
- BPEU8SPS TechnologiesCatalog only, needs approvalon 1 of 158 stock numbers
Standards
- NASM21141NASCatalog only, needs approvalon 5 of 158 stock numbers
3 more on one stock number each: NAS8975, NASM8975, 31SM
- NAS8975NASCatalog only, needs approvalon 1 of 158 stock numbers
- NASM8975NASCatalog only, needs approvalon 1 of 158 stock numbers
- 31SMNASCatalog only, needs approvalon 1 of 158 stock numbers
Airframer and OEM drawings
1 more on one stock number each: WC331K
- WC331KBoeingCatalog only, needs approvalon 1 of 158 stock numbers
Plus 10 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for MS21141
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
Cherry Maxibolt tooling (cherry maxibolt installation tooling and pulling heads (ca-1009 "installation tooling and pulling heads"))
What the government paid
DLA awards on 15 of 158 stock numbers, 48 awards from 2023-04-14 to 2026-08-27.
Latest award per stock number: $0.89 to $80.00 each.
DLA production lead time: 8 to 345 days.
Per size in the table below.
DLA prices at DLA quantities, not a quote.Source
DLA award prices at DLA quantities and terms, not a commercial quote. Each award may bundle packaging, delivery and inspection terms that a commercial buy does not. Vendors are shown by CAGE code only.
Source: DLA FOIA Electronic Reading Room ↗, public FOIA releases. Files: 2023ContHist.zip/2023ContractHistory.txt, 2024ContHist.zip/2024ContractHistory.txt, contracthist2025.zip/contracthist2025.txt, 2026-09-16-1038_contracthist.zip/2026-09-16-1038_contracthist.txt.
Sizes by maker
| NSN | MS21141 | CR7621 | CR7621S | CR7621U | Last DLA price |
|---|---|---|---|---|---|
| 5320-01-610-1978 | MS21141S0401 | ||||
| 5320-01-586-6497 | MS21141S0402 | ||||
| 5320-01-586-6498 | MS21141S0403 | ||||
| 5320-01-687-7455 | MS21141S0404 | $10.00 2025-04 | |||
| 5320-01-645-5596 | MS21141S0405 | ||||
| 5320-01-388-9676 | MS21141-0501 | CR7621-5-01 | |||
| 5320-01-470-7175 | MS21141S0501 | ||||
| 5320-01-333-9946 | MS21141U0501 | ||||
| 5320-01-074-3903 | MS21141-0502 | CR7621-5-02 | $3.69 2026-05 | ||
| 5320-01-096-1314 | MS21141S0502 | $0.89 2023-04 | |||
| 5320-01-205-9249 | MS21141U0502 | $4.75 2026-04 | |||
| 5320-01-483-9711 | MS21141-0503 | ||||
| 5320-01-199-4446 | MS21141S0503 | CR7621U-05-03 | |||
| 5320-01-291-8031 | MS21141-0504 | CR7621-5-04 | |||
| 5320-01-470-7302 | MS21141S0504 |
Show 45 more sizes
| NSN | MS21141 | CR7621 | CR7621S | CR7621U | Last DLA price |
|---|---|---|---|---|---|
| 5320-01-311-6332 | MS21141U0504 | $2.26 2025-03 | |||
| 5320-01-291-8033 | MS21141-0505 | ||||
| 5320-01-586-6533 | MS21141S0505 | ||||
| 5320-01-336-5407 | MS21141U0505 | ||||
| 5320-01-291-8032 | MS21141-0506 | ||||
| 5320-01-586-6534 | MS21141S0506 | $1.44 2023-12 | |||
| 5320-01-311-6334 | MS21141U0506 | ||||
| 5320-01-470-7329 | MS21141S0507 | ||||
| 5320-01-365-0505 | MS21141U0507 | ||||
| 5320-01-134-5847 | MS21141-0508 | $12.92 2025-04 | |||
| 5320-01-656-3268 | MS21141S0508 | ||||
| 5320-01-725-6530 | MS21141U0508 | ||||
| 5320-01-291-8034 | MS21141-0509 | ||||
| 5320-01-645-5599 | MS21141S0509 | ||||
| 5320-01-452-6030 | MS21141U0509 | ||||
| 5320-01-291-8035 | MS21141-0510 | ||||
| 5320-01-477-1003 | MS21141U0510 | ||||
| 5320-01-291-8036 | MS21141-0511 | ||||
| 5320-01-069-0553 | MS21141-0515 | ||||
| 5320-01-152-8692 | MS21141S0515 | ||||
| 5320-01-393-3352 | MS21141-0602 | CR7621-6-02 | |||
| 5320-01-338-7381 | MS21141U0602 | ||||
| 5320-01-058-4111 | MS21141-0603 | CR7621-6-03 | $5.70 2024-11 | ||
| 5320-01-152-8693 | MS21141S0603 | ||||
| 5320-01-459-3814 | MS21141-0604 | ||||
| 5320-01-197-1406 | MS21141S0604 | CR7621S-06-04 | |||
| 5320-01-663-5093 | MS21141U0604 | $1.40 2023-11 | |||
| 5320-01-197-1405 | MS21141-0605 | CR7621-6-05 | |||
| 5320-01-633-4333 | MS21141S0605 | ||||
| 5320-01-335-0061 | MS21141U0605 | ||||
| 5320-01-329-9784 | MS21141-0606 | ||||
| 5320-01-197-4732 | MS21141S0606 | ||||
| 5320-01-134-5848 | MS21141-0607 | $4.82 2023-12 | |||
| 5320-01-194-0711 | MS21141S0607 | ||||
| 5320-01-134-8772 | MS21141-0608 | $19.95 2026-08 | |||
| 5320-01-470-7332 | MS21141S0608 | ||||
| 5320-01-363-7298 | MS21141U0608 | ||||
| 5320-01-524-1486 | MS21141S0609 | ||||
| 5320-01-335-4685 | MS21141U0609 | ||||
| 5320-01-105-4524 | MS21141-0610 | ||||
| 5320-01-600-3122 | MS21141S0610 | ||||
| 5320-01-451-9654 | MS21141U0610 | ||||
| 5320-01-292-1455 | MS21141-0611 | ||||
| 5320-01-524-1491 | MS21141S0611 | ||||
| 5320-01-462-8406 | MS21141U0611 |
Each row is one National Stock Number and the part numbers DLA FLIS lists on it, as written there. A blank means FLIS lists no part in that series on the stock number, not that the size does not exist. 98 more stock numbers are not shown.
Sources and how to read this page.Details
Reference numbers the Federal Logistics Information System records against the same National Stock Number. A supply-catalog cross-reference, not an engineering-approved interchangeability: confirm against the controlling drawing or spec before substituting. Only equivalents marked cited have a manufacturer or government document, linked with each.
Source: DLA Federal Logistics Information System, via DLA PUB LOG ↗ (FLIS Data Electronic Reading Room ↗), data as of 2025-03-18 (March 2025 snapshot). Federal supply classes 5306 Bolts, 5320 Rivets. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.
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