The Washer,lock, cataloged under National Stock Number 5310-01-249-9376, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Elbit Systems Electro-Optics Elop Ltd. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-249-9376 |
| Primary Part Number | 1112-6701-39 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Elbit Systems Electro-Optics Elop Ltd |
| Status | ACTIVE |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| Criticality Code Justification | ZZZW |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.489 INCHES MAXIMUM IN |
| Material Thickness | 0.062 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN |
| Departure From Cited Document | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Material | STEEL OVERALL |
| Hole Diameter | 0.255 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 1112-6701-39 | Elbit Systems Electro-Optics Elop Ltd (ISR) |
| Reference | Meaning |
|---|---|
| 5310PL0840261 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 121450G2PC43 | 5/1 Secondary reference U.S. Government activity |
| 11352PC83 | 5/1 Secondary reference Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
| 401-8464282ITEM52 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| MS35338-139 | 4/1 Identification reference U.S. Government activity |
| 820-2177824-32 | 5/1 Secondary reference Naval Sea Systems Command |
| 140BB26PC119 | 5/1 Secondary reference Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
| 390E003ITEM18 | 5/1 Secondary reference Container Research Corp Dba Container Research Corp Div Containr Research Corporation |
| 820-5787236PC148 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 5310-01-249-9376 is a Washer,lock, manufactured by Elbit Systems Electro-Optics Elop Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-249-9376 has 1 manufacturer part number on file: 1112-6701-39 (Elbit Systems Electro-Optics Elop Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-422-3905, 5310-01-665-5077. Verify interchangeability with system specifications before substitution.
Key specifications for 1112-6701-39: Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM; Criticality Code Justification: ZZZW; Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL. 9 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.