The Washer,flat, cataloged under National Stock Number 5310-00-638-9857, 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 9 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 28 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-638-9857 |
| Primary Part Number | ASNA2397C6L |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Airbus Operations |
| Status | CANCELLED |
| Overall Diameter | 0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL CORROSION RESISTING OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.139 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN |
| Thickness | 0.006 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ASNA2397C6L | Airbus Operations (FRA) |
| 938.77.61.008 | Pilatus Aircraft Ltd (CHE) |
| AN960C6L | Madison Aerospace, Inc. Dba Madison Aerospace Inc (USA) |
| 272.512301 | Vincorion Advanced Systems Gmbh Div Jenoptik Defense and Civil Systems (DEU) |
| Reference | Meaning |
|---|---|
| 17-910-00-075 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| AN960C6L | 5/1 Secondary reference Ufc Aerospace Corp. |
| 5310006389857 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 704651 | 5/9 Secondary reference Eastman Kodak Co |
| H0388 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| AN960C61 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 4197410-018 | 5/1 Secondary reference Raytheon Company Div Rmd Strategic |
| 605944 | 5/9 Secondary reference Itt Telecom Products Corp Network Systems Div |
| LD153-0010-0003 | 5/1 Secondary reference U.S. Government activity |
| 310-0015-120 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| E21416-01 | 5/9 Secondary reference B/e Aerospace Systems Gmbh Div Life Support Systems Europe |
| AN960C6L | 5/1 Secondary reference M-F Services Inc |
| AN960C6L | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 5310PL1369389 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 945723-2061 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
| AN960C6L | 5/1 Secondary reference U.S. Government activity |
| 5310PL0725475 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 004-003081-017 | 5/1 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| AN960C6L | 2/2 Government specification standardization U.S. Government activity |
| 153-0013-005 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5310-00-638-9857 is a Washer,flat, manufactured by Airbus Operations, classified under FSC 5310, Nuts and Washers. Status: cancelled.
NSN 5310-00-638-9857 has 4 manufacturer part numbers on file: ASNA2397C6L (Airbus Operations), 938.77.61.008 (Pilatus Aircraft Ltd), AN960C6L (Madison Aerospace, Inc. Dba Madison Aerospace Inc), 272.512301 (Vincorion Advanced Systems Gmbh Div Jenoptik Defense and Civil Systems).
4 possible matches (shared part number, not a government interchangeability claim): 3110-00-752-1040, 5310-00-828-3363, 5930-00-858-4690. Verify interchangeability with system specifications before substitution.
Key specifications for ASNA2397C6L: Overall Diameter: 0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: PASSIVATE 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.
NSN 5310-00-638-9857 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.