The Washer,flat, cataloged under National Stock Number 5310-01-200-6280, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ufc Aerospace Corp.. Government technical data includes 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-200-6280 |
| Primary Part Number | AN960XC10LL |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Ufc Aerospace Corp. |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.433 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Nondefinitive Spec/std Data | A TYPE AND 2 GRADE AND B CLASS |
| Surface Treatment | OXIDE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN |
| Thickness | 0.016 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 |
|---|---|
| AN960XC10LL | Ufc Aerospace Corp. (USA) |
| AN960XC10LL | Dialogic Corp Dba Dialogic Fasteners (USA) |
| Reference | Meaning |
|---|---|
| NAS1149CN0316B | 3/2 Design control — primary reference U.S. Government activity |
| FF-W-92 | 4/1 Identification reference U.S. Government activity |
| AN960XC10LL | 5/9 Secondary reference U.S. Government activity |
| NAS1149C0316B | 5/1 Secondary reference U.S. Government activity |
NSN 5310-01-200-6280 is a Washer,flat, manufactured by Ufc Aerospace Corp., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-200-6280 has 2 manufacturer part numbers on file: AN960XC10LL (Ufc Aerospace Corp.), AN960XC10LL (Dialogic Corp Dba Dialogic Fasteners).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-420-8865, 5310-01-700-7452. Verify interchangeability with system specifications before substitution.
Key specifications for AN960XC10LL: Surface Treatment Document and Classification: MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.433 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Nondefinitive Spec/std Data: A TYPE AND 2 GRADE AND B CLASS. 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.