The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-00-902-3898, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-902-3898 |
| Primary Part Number | G1981-5-10 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Thread Series | UNF |
| Nut Quantity | 57 |
| Features Provided | FLOATING NUT |
| Channel Height | 0.203 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Assembly Overall Height | 0.328 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE NUT |
| Surface Treatment | PASSIVATE CHANNEL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Nut Spacing | 1.250 INCHES NOMINAL IN |
| Channel Style | STRAIGHT TYPE |
| 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 |
|---|---|
| G1981-5-10 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
NSN 5310-00-902-3898 is a Nut Assembly,self-Locking,gang C, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-902-3898 has 1 manufacturer part number on file: G1981-5-10 (Howmet Global Fastening Systems Inc).
Key specifications for G1981-5-10: Thread Series: UNF; Nut Quantity: 57; Overall Width: 0.609 INCHES MAXIMUM IN; Features Provided: FLOATING NUT. 14 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.