The Washer,flat, cataloged under National Stock Number 5310-01-389-3419, 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 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-389-3419 |
| Primary Part Number | ASNA2397C4L |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Airbus Operations |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.307 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Specification/standard Data | 80205-NAS1149 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Thickness | 0.014 INCHES MINIMUM AND 0.018 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 |
|---|---|
| ASNA2397C4L | Airbus Operations (FRA) |
| Reference | Meaning |
|---|---|
| NAS1149CN416R | 3/2 Design control — primary reference U.S. Government activity |
| 920424 | C/1 Advisory reference — outside the item-of-supply concept L3 Technologies, Inc. Div L3 Keo |
| 092-20341C004L | 5/1 Secondary reference The Boeing Company Div Defense |
| 5310PL2131443 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-01-389-3419 is a Washer,flat, manufactured by Airbus Operations, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-389-3419 has 1 manufacturer part number on file: ASNA2397C4L (Airbus Operations).
1 possible match (shared part number, not a government interchangeability claim): 5419-01-702-8736. Verify interchangeability with system specifications before substitution.
Key specifications for ASNA2397C4L: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.307 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Specification/standard Data: 80205-NAS1149 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 10 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.