The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-01-178-0204, 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 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-178-0204 |
| Primary Part Number | RG52010-4-1 |
| 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 | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Material Document and Classification | AMS5599 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Style | GANG CHANNEL, SELF LOCKING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Channel Style | RADIUS 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 |
|---|---|
| 9232M90P07 | Bristol Industries, Llc (USA) |
| RG52010-4-1 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 9232M90P09 | General Electric Company (USA) |
| 9232M90P07 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| MRG13028-4 | 5/9 Secondary reference Harvard Industries Inc |
| 9232M90 | D/9 Drawing number reference only General Electric Company |
| MRG13028-4 | C/1 Advisory reference — outside the item-of-supply concept Esna, Llc |
NSN 5310-01-178-0204 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 5310-01-178-0204 has 4 manufacturer part numbers on file: 9232M90P07 (Bristol Industries, Llc), RG52010-4-1 (Howmet Global Fastening Systems Inc), 9232M90P09 (General Electric Company), 9232M90P07 (General Electric Company).
Key specifications for RG52010-4-1: Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Material Document and Classification: AMS5599 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.250 INCHES IN. 10 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.