The Washer,spring Tension, cataloged under National Stock Number 5310-01-341-7528, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Associated Spring Us, Llc Div Corry. Government technical data includes 6 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Provision, Inc. Dba Provision Inc (CAGE 14487); Associated Spring Us, Llc Div Corry (CAGE 77535) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-341-7528 |
| Primary Part Number | B1500-107-S |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Associated Spring Us, Llc Div Corry |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Material Document and Classification | AMS 5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.500 INCHES MAXIMUM IN |
| Material Thickness | 0.107 INCHES NOMINAL IN |
| Material | STEEL COMP 631 OVERALL |
| Hole Diameter | 0.755 INCHES MINIMUM 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 |
|---|---|
| 113977 | Provision, Inc. Dba Provision Inc (USA) |
| B1500-107-S PRIMARY | Associated Spring Us, Llc Div Corry (USA) |
NSN 5310-01-341-7528 is a Washer,spring Tension, manufactured by Associated Spring Us, Llc Div Corry, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-341-7528 has 2 manufacturer part numbers on file: 113977 (Provision, Inc. Dba Provision Inc), B1500-107-S (Associated Spring Us, Llc Div Corry).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-432-8610. Verify interchangeability with system specifications before substitution.
Key specifications for B1500-107-S: Overall Height: 0.134 INCHES NOMINAL IN; Style Designator: SPRING TENSION; Material Document and Classification: AMS 5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.500 INCHES MAXIMUM IN. 6 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.