The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-01-623-0991, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 22 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-623-0991 |
| Primary Part Number | 3M463T8A72-4 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Surface Treatment Document and Classification | IAW ST3-445 MFR REF SINGLE TREATMENT RESPONSE NUT |
| Surface Treatment Document and Classification | IAW ST3-446 MFR REF SINGLE TREATMENT RESPONSE CLIP |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Nut Quantity | 72 |
| Material Document and Classification | AMS4914 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE CHANNEL |
| Material Document and Classification | ST3-445 MFR REF SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | ST3-446 MFR REF SINGLE MATERIAL RESPONSE CLIP |
| Nut Counterbore Depth | 0.250 INCHES NOMINAL OVERALL IN |
| Channel Height | 0.250 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.1900 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Assembly Overall Height | 0.424 INCHES MAXIMUM IN |
| Nut Style | GANG CHANNEL, SELF LOCKING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING NUT |
| Material | STEEL CORROSION RESISTING CLIP |
| Material | TITANIUM ALLOY CHANNEL |
| Nut Spacing | 1.00 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 |
|---|---|
| 3M463T8A72-4 PRIMARY | The Boeing Company Div Defense (USA) |
| BGC00824C3-8-4-72 | Bristol Industries, Llc (USA) |
NSN 5310-01-623-0991 is a Nut Assembly,self-Locking,gang C, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-623-0991 has 2 manufacturer part numbers on file: 3M463T8A72-4 (The Boeing Company Div Defense), BGC00824C3-8-4-72 (Bristol Industries, Llc).
Key specifications for 3M463T8A72-4: Lubrication: DRY FILM LUBRICANT; Surface Treatment Document and Classification: IAW ST3-445 MFR REF SINGLE TREATMENT RESPONSE NUT; Surface Treatment Document and Classification: IAW ST3-446 MFR REF SINGLE TREATMENT RESPONSE CLIP; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 22 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.