The Washer,flat, cataloged under National Stock Number 5310-00-209-6510, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-209-6510 |
| Primary Part Number | 9055735 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Overall Diameter | 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.114 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN |
| Thickness | 0.020 INCHES MINIMUM AND 0.030 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 | X |
| Part Number | Manufacturer |
|---|---|
| 9055735 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 1749-7 | 3/1 Design control — primary reference U.S. Government activity |
| 93485A005 | C/1 Advisory reference — outside the item-of-supply concept Mcmaster-Carr Supply Co |
NSN 5310-00-209-6510 is a Washer,flat, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-209-6510 has 1 manufacturer part number on file: 9055735 (Us Army Aviation and Missile Command).
2 possible matches (shared part number, not a government interchangeability claim): 9540-00-973-7840, 6110-01-578-1961. Verify interchangeability with system specifications before substitution.
Key specifications for 9055735: Overall Diameter: 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: ZINC AND CHROMATE OVERALL; Peripheral Shape Style: ROUND. 8 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.