The Washer,spring Tension, cataloged under National Stock Number 5310-01-645-0602, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Saab Dynamics Aktiebolag Div Dynamics. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5310-01-645-0602 |
| Primary Part Number | 304060329 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Saab Dynamics Aktiebolag Div Dynamics |
| Status | ACTIVE |
| Hardness Rating | 200.0 VICKERS OR FIRTH DIAMOND PYRAMID NOMINAL |
| Style Designator | SPRING TENSION |
| Outside Diameter | 5.1 MILLIMETERS MAXIMUM MM |
| Color | BLACK SEALING ELEMENT |
| Surface Treatment | OIL AND OXIDE OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 2.6 MILLIMETERS MINIMUM AND 2.9 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| 304060329 | Saab Dynamics Aktiebolag Div Dynamics (SWE) |
| M1171-125118 | Saab Dynamics Aktiebolag Div Dynamics (SWE) |
| Reference | Meaning |
|---|---|
| 304060329 | 3/9 Design control — primary reference Saab Dynamics Ab |
| M1171-125118 | 5/9 Secondary reference Saab Dynamics Ab |
NSN 5310-01-645-0602 is a Washer,spring Tension, manufactured by Saab Dynamics Aktiebolag Div Dynamics, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-645-0602 has 2 manufacturer part numbers on file: 304060329 (Saab Dynamics Aktiebolag Div Dynamics), M1171-125118 (Saab Dynamics Aktiebolag Div Dynamics).
Key specifications for 304060329: Overall Height: 0.5 MILLIMETERS MINIMUM AND 0.7 MILLIMETERS MAXIMUM MM; Hardness Rating: 200.0 VICKERS OR FIRTH DIAMOND PYRAMID NOMINAL; Style Designator: SPRING TENSION; Outside Diameter: 5.1 MILLIMETERS MAXIMUM MM. 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.