The Washer,flat, cataloged under National Stock Number 5310-01-384-2951, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Superior Washer & Gasket Corp. Dba Superior Washer & Gasket Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-384-2951 |
| Primary Part Number | NAS1149FN832P |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Superior Washer & Gasket Corp. Dba Superior Washer & Gasket Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416, TY2, CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Specification/standard Data | 80205-NAS1149 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1020 OR STEEL COMP 1025 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.164 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN |
| Thickness | 0.028 INCHES MINIMUM AND 0.035 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 |
|---|---|
| NAS1149FN832P | Superior Washer & Gasket Corp. Dba Superior Washer & Gasket Corp (USA) |
| NAS1149FN832P | Leonardo Spa Aeronautics Division - Pomigliano D'arco Site (ITA) |
| NAS1149FN832P | Leonardo Spa Helicopters Division - Production Site (ITA) |
| ASNA2397-8 | Airbus Operations (FRA) |
| Reference | Meaning |
|---|---|
| 5310PL0201230 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| NAS1149FN832P | 3/2 Design control — primary reference U.S. Government activity |
| ASNA2397D8 | 5/9 Secondary reference Airbus Operations |
| 124-0055-002 | 3/2 Design control — primary reference U.S. Government activity |
| 10194034 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5310-01-384-2951 is a Washer,flat, manufactured by Superior Washer & Gasket Corp. Dba Superior Washer & Gasket Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-384-2951 has 4 manufacturer part numbers on file: NAS1149FN832P (Superior Washer & Gasket Corp. Dba Superior Washer & Gasket Corp), NAS1149FN832P (Leonardo Spa Aeronautics Division - Pomigliano D'arco Site), NAS1149FN832P (Leonardo Spa Helicopters Division - Production Site), ASNA2397-8 (Airbus Operations).
Key specifications for NAS1149FN832P: Surface Treatment Document and Classification: QQ-P-416, TY2, CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.370 INCHES MINIMUM AND 0.395 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.