Cross reference · Northrop Grumman · Hexagon self-locking nut
1129E01ITEM cross referenceESNA 29NE, MS51922, GE 1C817P, General G1921BH050C100N
1129E01ITEM is a Northrop hexagon self-locking nut series on 3 government stock numbers. It is cross-referenced to ESNA 29NE, MS51922, GE 1C817P, General G1921BH050C100N. Each one is labeled with how strong the evidence is.
- Issued by Northrop Grumman
- Item Hexagon self-locking nut
- Stock numbers 3
- Cross-referenced series 8
- DLA paid $5.19
Series in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
1 more on one stock number each: 29NE
- 29NEESNACatalog only, needs approvalon 1 of 3 stock numbers
Standards
5 more on one stock number each: MS51922, MS5198E, MS90728, B1821BH050C100N, M45913/1
- MS51922MSCatalog only, needs approvalon 1 of 3 stock numbers
- MS5198EMSCatalog only, needs approvalon 1 of 3 stock numbers
- MS90728MSCatalog only, needs approvalon 1 of 3 stock numbers
- B1821BH050C100NANSICatalog only, needs approvalon 1 of 3 stock numbers
- M45913/1MIL specificationsCatalog only, needs approvalon 1 of 3 stock numbers
Airframer and OEM drawings
2 more on one stock number each: 1C817P, G1921BH050C100N
- 1C817PGECatalog only, needs approvalon 1 of 3 stock numbers
- G1921BH050C100NGeneral DynamicsCatalog only, needs approvalon 1 of 3 stock numbers
Plus 19 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for 1129E01ITEM
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for 1129E01ITEM. Tooling for the cross-referenced series:
None of these series is in the SpecLok catalog yet.
What the government paid
DLA awards on 1 of 3 stock numbers, 2 awards from 2025-09-09 to 2025-11-05.
Latest award per stock number: $5.19 each.
DLA production lead time: 115 to 450 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 | 1129E01ITEM | 29NE | MS51922 | B1821BH050C100N | M45913/1 | 1C817P | Last DLA price |
|---|---|---|---|---|---|---|---|
| 5305-00-071-2066 | 1129E01ITEM150 | B1821BH050C100N | 1C817P57 | ||||
| 5307-01-346-0140 | 1129E01ITEM179 | ||||||
| 5310-01-182-7700 | 1129E01ITEM180 | 29NE-066 | MS51922-91 | M45913/1-6CG5 | $5.19 2025-11 |
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 classes 5305 Screws, 5307 Studs, 5310 Nuts and washers. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.
Reference only: the controlling drawing, its process spec and the manufacturer's installation instructions govern. How to use these answers
Next · 3 Quote
Quote 1129E01ITEM or an equivalent
Get quotes adds the part and its install tooling to your quote. Check another part number in the cross reference.