The Washer,flat, cataloged under National Stock Number 5310-01-159-0101, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-159-0101 |
| Primary Part Number | 105248-5 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | PSM 903 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.540 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5515,AMS 5516,AMS 5517,AMS 5518,AMS 5519 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Thickness | 0.028 INCHES MINIMUM AND 0.033 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 |
|---|---|
| 105248-5 PRIMARY | Triumph Engine Control Systems Llc (USA) |
NSN 5310-01-159-0101 is a Washer,flat, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-159-0101 has 1 manufacturer part number on file: 105248-5 (Triumph Engine Control Systems Llc).
Key specifications for 105248-5: Surface Treatment Document and Classification: PSM 903 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.540 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN; Material Document and Classification: AMS 5515,AMS 5516,AMS 5517,AMS 5518,AMS 5519 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 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.
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.