Cross reference · MS (US military standards) · Gang c self-locking nut assembly

MS21064L cross reference

MS21064L is a gang c self-locking nut assembly series on 53 government stock numbers. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

53 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • G1981Howmet Fastening SystemsCatalog only, needs approvalon 5 of 53 stock numbers, 6 sizes

Standards

  • NAS689ANASCatalog only, needs approvalon 3 of 53 stock numbers, 3 sizes
  • NASM21064LNASCatalog only, needs approvalon 3 of 53 stock numbers, 3 sizes
  • NAS1035ANASCatalog only, needs approvalon 2 of 53 stock numbers, 2 sizes
1 more on one stock number each: NASM25027
  • NASM25027NASCatalog only, needs approvalon 1 of 53 stock numbers

Airframer and OEM drawings

  • 3M150ABoeingCatalog only, needs approvalon 2 of 53 stock numbers, 2 sizes

Plus 1 reference number whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

Get quotes for MS21064L

Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.

Install tooling

SpecLok has no catalog family for MS21064L. Tooling for the equivalents:

None of the equivalents is in the SpecLok catalog yet.

What the government paid

DLA awards on 2 of 53 stock numbers, 15 awards from 2023-05-05 to 2026-05-21.

Latest award per stock number: $166.50 to $319.22 each.

DLA production lead time: 91 to 157 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

53 stock numbers
Part numbers DLA FLIS lists for MS21064L and its equivalents, by stock number
NSNMS21064LLast DLA price
5310-00-176-6555MS21064L3-5$319.22 2026-05
5310-01-479-2444MS21064L3-5-30
5310-01-479-2443MS21064L3-5-31
5310-00-440-9906MS21064L3-6-3
5310-00-935-3719MS21064L3-6-4
5310-00-948-6322MS21064L3-6-6
5310-01-587-2887MS21064L3-6-26
5310-01-430-2810MS21064L3-7-2
5310-00-498-0613MS21064L3-7-10
5310-00-948-0953MS21064L3-8
5310-01-283-2696MS21064L3-8-2
5310-00-948-6350MS21064L3-9-3
5310-01-350-8555MS21064L3-10-4
5310-01-467-5704MS21064L3-10-7
5310-00-939-0914MS21064L3-10-10
Show 38 more sizes
More sizes
NSNMS21064LLast DLA price
5310-01-230-3390MS21064L3-11
5310-00-958-8261MS21064L3-11-2
5310-01-451-4216MS21064L3-11-8
5310-01-335-2939MS21064L3-11-16
5310-00-939-0915MS21064L3-12
5310-01-283-2695MS21064L3-12-2
5310-01-350-8554MS21064L3-12-4
5310-01-230-3391MS21064L3-13
5310-01-014-6164MS21064L3-14
5310-00-939-0916MS21064L3-16
5310-01-430-2811MS21064L3-16-2
5310-00-498-0614MS21064L3-18
5310-01-237-2686MS21064L3-20
5310-01-237-3038MS21064L3-24
5310-00-926-5777MS21064L4-6$166.50 2023-05
5310-00-498-0612MS21064L4-7-4
5310-00-939-0917MS21064L4-8
5310-01-490-1013MS21064L4-8-2
5310-00-312-5248MS21064L4-8-3
5310-01-489-7079MS21064L4-8-4
5310-00-293-6470MS21064L4-8-5
5310-01-489-7080MS21064L4-8-9
5310-01-017-5473MS21064L4-9
5310-01-489-7082MS21064L4-9-2
5310-01-489-7081MS21064L4-9-9
5310-00-948-6388MS21064L4-10
5310-01-003-4268MS21064L4-11
5310-00-498-0611MS21064L4-12
5310-00-939-0918MS21064L4-14
5310-00-277-8341MS21064L4-16
5310-00-529-0732MS21064L4-20
5310-00-628-3902MS21064L5-12
5310-01-413-8112MS21064L6-16
5310-01-210-7431MS21064L08-8
5310-01-209-7963MS21064L08-9
5310-01-207-0241MS21064L08-11
5310-00-948-6321MS21064L08-12
5310-00-061-5558MS21064L08-24

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.

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 class 5310 Nuts and washers. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.

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