The Washer,flat, cataloged under National Stock Number 5310-01-102-2713, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Perkins Engines Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-102-2713 |
| Primary Part Number | 0920146 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Perkins Engines Inc |
| Status | ACTIVE |
| Overall Diameter | 0.551 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN |
| Heat Treatment | O-ANNEALED, RECRYSTALLIZED |
| Material Document and Classification | B.S. 1470,FSCM 13446 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | ALUMINUM OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.400 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN |
| Thickness | 0.047 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 |
|---|---|
| 0920146 | Biurrarena S.c.l. (ESP) |
| 0920146 PRIMARY | Perkins Engines Inc (USA) |
| Reference | Meaning |
|---|---|
| 0920146 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 983348 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
NSN 5310-01-102-2713 is a Washer,flat, manufactured by Perkins Engines Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-102-2713 has 2 manufacturer part numbers on file: 0920146 (Biurrarena S.c.l.), 0920146 (Perkins Engines Inc).
Key specifications for 0920146: Overall Diameter: 0.551 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN; Heat Treatment: O-ANNEALED, RECRYSTALLIZED; Material Document and Classification: B.S. 1470,FSCM 13446 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 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.