The Washer,spring Tension, cataloged under National Stock Number 5310-00-559-7682, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Monroc Inc (CAGE 29551); Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445) |
| Parameter | Value |
|---|---|
| NSN | 5310-00-559-7682 |
| Primary Part Number | 327309 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Material Document and Classification | AMS 51,0 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.814 INCHES MINIMUM AND 1.824 INCHES MAXIMUM IN |
| Material Thickness | 0.019 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 1074 OVERALL |
| Hole Diameter | 1.399 INCHES MINIMUM AND 1.404 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 327309 | Monroc Inc (USA) |
| 327309 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 327309 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 327309 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-00-559-7682 is a Washer,spring Tension, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-559-7682 has 2 manufacturer part numbers on file: 327309 (Monroc Inc), 327309 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 327309: Overall Height: 0.120 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN; Criticality Code Justification: FEAT; Material Document and Classification: AMS 51,0 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.814 INCHES MINIMUM AND 1.824 INCHES MAXIMUM 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.