The Washer,flat, cataloged under National Stock Number 5310-00-220-6573, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Borgwarner Pds (anderson), L.l.c.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-220-6573 |
| Primary Part Number | 1916160 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Borgwarner Pds (anderson), L.l.c. |
| Status | ACTIVE |
| Overall Diameter | 0.349 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN |
| Material Document and Classification | GM 4058M,FSCM 24617 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | NICKEL OVERALL |
| Peripheral Shape Style | ROUND |
| Material | COPPER ALLOY OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.191 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN |
| Thickness | 0.023 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1916160 | General Motors Corp (USA) |
| 118914 | Am General Llc (USA) |
| 7H3983 | Caterpillar Inc Div Caterpillar Defense (USA) |
| 1916160 PRIMARY | Borgwarner Pds (anderson), L.l.c. (USA) |
| 1916160 | General Motors Llc Dba General Motors Llc (USA) |
| 1914472 | General Motors Llc Dba General Motors Llc (USA) |
| 7538767 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 1916160 | 5/9 Secondary reference General Motors Corp AC-Delco Div Government Order Dept |
| 1916160 | 5/9 Secondary reference Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 |
| 1916160 | 5/9 Secondary reference General Motors Corp Delco Remy Div |
| 1914472 | 5/9 Secondary reference General Motors Corp AC-Delco Div Government Order Dept |
| KC7992 | 5/9 Secondary reference Diamond Reo Truck Co |
| 511B1 | 5/9 Secondary reference Diamond Reo Truck Co |
| 914325 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 1916160 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
NSN 5310-00-220-6573 is a Washer,flat, manufactured by Borgwarner Pds (anderson), L.l.c., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-220-6573 has 7 manufacturer part numbers on file: 1916160 (General Motors Corp), 118914 (Am General Llc), 7H3983 (Caterpillar Inc Div Caterpillar Defense), 1916160 (Borgwarner Pds (anderson), L.l.c.), 1916160 (General Motors Llc Dba General Motors Llc) and 2 more.
1 possible match (shared part number, not a government interchangeability claim): 3020-00-675-4771. Verify interchangeability with system specifications before substitution.
Key specifications for 1916160: Overall Diameter: 0.349 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN; Material Document and Classification: GM 4058M,FSCM 24617 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: NICKEL 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.