The Washer,spring Tension, cataloged under National Stock Number 5310-01-267-9920, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-267-9920 |
| Primary Part Number | 3147327-7 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Outside Diameter | 4.345 INCHES MINIMUM AND 4.355 INCHES MAXIMUM IN |
| Material Thickness | 0.022 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN |
| Surface Treatment | OIL OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 4.120 INCHES MINIMUM AND 4.130 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 |
|---|---|
| 3147327-7 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 563276-7 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 563276-7 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| W435-024 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5310-01-267-9920 is a Washer,spring Tension, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-267-9920 has 2 manufacturer part numbers on file: 3147327-7 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 563276-7 (Lockheed Martin Corporation Div Rms).
Key specifications for 3147327-7: Overall Height: 0.177 INCHES NOMINAL IN; Outside Diameter: 4.345 INCHES MINIMUM AND 4.355 INCHES MAXIMUM IN; Material Thickness: 0.022 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN; Surface Treatment: OIL OVERALL. 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.