The Washer,lock, cataloged under National Stock Number 5310-00-916-2172, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-916-2172 |
| Primary Part Number | 11010530 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Style Designator | FLAT INTERNAL TEETH |
| Material Document and Classification | AISI ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 0.594 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN |
| Material Thickness | 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Material | STEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1552 OR STEEL COMP 1053 OR STEEL COMP 1054 OVERALL |
| Hole Diameter | 0.320 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11010530 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| A10782 | Fnh Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 5310PL0918858 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 11010530 | 5/9 Secondary reference Springfield Armory |
| 717124434101 | 6/9 Informative reference only Ncb Hungary (honvedsegi Egyseges Termekkod) |
| 5310009162172 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5310-00-916-2172 is a Washer,lock, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-916-2172 has 2 manufacturer part numbers on file: 11010530 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), A10782 (Fnh Uk Ltd).
Key specifications for 11010530: Style Designator: FLAT INTERNAL TEETH; Material Document and Classification: AISI ASSN STD ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 0.594 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN; Material Thickness: 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN. 7 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.
NSN 5310-00-916-2172 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.