The Washer,flat, cataloged under National Stock Number 5310-01-134-3288, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Airbus Operations. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-134-3288 |
| Primary Part Number | ASNA2397KD816 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Airbus Operations |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.870 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-250/5,T3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/5,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Nondefinitive Spec/std Data | A TYPE AND 1 GRADE AND D CLASS |
| Surface Treatment | ANODIZE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.515 INCHES NOMINAL IN |
| Thickness | 0.063 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 |
|---|---|
| ASNA2397KD816 | Airbus Operations (FRA) |
| 907905 | Scandinavian Manufacturing Scama Ab (SWE) |
| Reference | Meaning |
|---|---|
| NAS1149D0863K | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| AN960KD816 | 2/2 Government specification standardization U.S. Government activity |
| FF-W-92 | 4/1 Identification reference U.S. Government activity |
| 5310PL0553969 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| NAS1149D0863K | 5/1 Secondary reference U.S. Government activity |
NSN 5310-01-134-3288 is a Washer,flat, manufactured by Airbus Operations, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-134-3288 has 2 manufacturer part numbers on file: ASNA2397KD816 (Airbus Operations), 907905 (Scandinavian Manufacturing Scama Ab).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-365-8738, 6505-01-664-5978. Verify interchangeability with system specifications before substitution.
Key specifications for ASNA2397KD816: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.870 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN; Material Document and Classification: QQ-A-250/5,T3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/5,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 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.
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.