The Washer,spring Tension, cataloged under National Stock Number 5310-01-371-5916, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Carlyle Johnson Machine Co, Llc Dba Carlyle Johnson Machine Co Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-371-5916 |
| Primary Part Number | MMS-0021-114-000 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Carlyle Johnson Machine Co, Llc Dba Carlyle Johnson Machine Co Llc |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Outside Diameter | 1.410 INCHES MINIMUM AND 1.435 INCHES MAXIMUM IN |
| Material Thickness | 0.012 INCHES MINIMUM AND 0.014 INCHES MAXIMUM IN |
| Material | STEEL COMP 1070 OVERALL |
| Hole Diameter | 1.255 INCHES MINIMUM AND 1.265 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 |
|---|---|
| MMS-0021-114-000 PRIMARY | The Carlyle Johnson Machine Co, Llc Dba Carlyle Johnson Machine Co Llc (USA) |
| Reference | Meaning |
|---|---|
| 67A98B129 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5310-01-371-5916 is a Washer,spring Tension, manufactured by The Carlyle Johnson Machine Co, Llc Dba Carlyle Johnson Machine Co Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-371-5916 has 1 manufacturer part number on file: MMS-0021-114-000 (The Carlyle Johnson Machine Co, Llc Dba Carlyle Johnson Machine Co Llc).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-463-6358. Verify interchangeability with system specifications before substitution.
Key specifications for MMS-0021-114-000: Overall Height: 0.063 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN; Style Designator: SPRING TENSION; Outside Diameter: 1.410 INCHES MINIMUM AND 1.435 INCHES MAXIMUM IN; Material Thickness: 0.012 INCHES MINIMUM AND 0.014 INCHES MAXIMUM IN. 5 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.