The Washer,spring Tension, cataloged under National Stock Number 5310-01-021-1900, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Autoflug Gmbh. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-021-1900 |
| Primary Part Number | 10588-01 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Autoflug Gmbh |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.351 INCHES NOMINAL1.351 INCHES NOMINAL IN |
| Material Thickness | 0.014 INCHES NOMINAL0.014 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 302 OVERALL |
| Hole Diameter | 1.051 INCHES NOMINAL1.051 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 |
|---|---|
| 10588-01 | Autoflug Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| W1351-014 | 3/9 Design control — primary reference U.S. Government activity |
| 048368-001 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-021-1900 is a Washer,spring Tension, manufactured by Autoflug Gmbh, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-021-1900 has 1 manufacturer part number on file: 10588-01 (Autoflug Gmbh).
1 possible match (shared part number, not a government interchangeability claim): 2540-01-494-4001. Verify interchangeability with system specifications before substitution.
Key specifications for 10588-01: Overall Height: 0.099 INCHES NOMINAL0.099 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.351 INCHES NOMINAL1.351 INCHES NOMINAL IN. 7 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.