The Washer,flat, cataloged under National Stock Number 5310-00-050-2268, 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 Us Army Research, Development and Engineering Command Armament. Government technical data includes 11 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-050-2268 |
| Primary Part Number | 800019 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament |
| Status | CANCELLED |
| Overall Diameter | 0.875 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-633 CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Departure From Cited Designator | AS MODIFIED BY SURFACE FINISH |
| Nondefinitive Spec/std Data | A TYPE |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.516 INCHES NOMINAL IN |
| Thickness | 0.063 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 502268 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 800019 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament (USA) |
| Reference | Meaning |
|---|---|
| 127MAK1 | 5/2 Secondary reference U.S. Government activity |
| 127MAK1 | 5/9 Secondary reference Linde Lift Truck Corp. |
| 5310000502268 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 127MAK1 | C/1 Advisory reference — outside the item-of-supply concept Linde Material Handling North America Corporation |
| MILW1085TYPEA | 4/1 Identification reference U.S. Government activity |
NSN 5310-00-050-2268 is a Washer,flat, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament, classified under FSC 5310, Nuts and Washers. Status: cancelled.
NSN 5310-00-050-2268 has 2 manufacturer part numbers on file: 502268 (U S Army Tank Automotive Command Amsta-Im-Mm), 800019 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament).
5 possible matches (shared part number, not a government interchangeability claim): 6105-00-489-8508, 5905-00-539-3209, 6105-01-179-6149. Verify interchangeability with system specifications before substitution.
Key specifications for 800019: Overall Diameter: 0.875 INCHES NOMINAL IN; Material Document and Classification: QQ-S-633 CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Departure From Cited Designator: AS MODIFIED BY SURFACE FINISH. 11 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 5310-00-050-2268 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.