The Washer,spring Tension, cataloged under National Stock Number 5310-00-655-7328, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-655-7328 |
| Primary Part Number | 1715830 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Hardness Rating | 80.0 ROCKWELL SUPERFICIAL 15-N MINIMUM |
| Material Document and Classification | QQ-C-533 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 0.875 INCHES NOMINAL IN |
| Material Thickness | 0.010 INCHES NOMINAL IN |
| Material | COPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL |
| Hole Diameter | 0.640 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 |
|---|---|
| 1715830 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| 1715830 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell International |
NSN 5310-00-655-7328 is a Washer,spring Tension, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-655-7328 has 1 manufacturer part number on file: 1715830 (Lockheed Martin Corporation Div Rms - Mitchel Field).
1 possible match (shared part number, not a government interchangeability claim): 3590-01-502-8648. Verify interchangeability with system specifications before substitution.
Key specifications for 1715830: Overall Height: 0.125 INCHES NOMINAL IN; Hardness Rating: 80.0 ROCKWELL SUPERFICIAL 15-N MINIMUM; Material Document and Classification: QQ-C-533 FED SPEC ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 0.875 INCHES NOMINAL 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.