The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-00-567-5237, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bristol Industries, Llc. Government technical data includes 17 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-567-5237 |
| Primary Part Number | 3M448C3M10-57 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bristol Industries, Llc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Thread Series | UNF |
| Nut Quantity | 57 |
| Material Document and Classification | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5735 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Specification/standard Data | 76301-ST3-448 MANUFACTURERS STANDARD |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Assembly Overall Height | 0.250 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE CHANNEL |
| Nut Style | GANG CHANNEL, SELF LOCKING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 NUT |
| Material | STEEL CORROSION RESISTING CHANNEL |
| Nut Spacing | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM 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 |
|---|---|
| 3M448C3M10-57 | Howmet Global Fastening Systems Inc (USA) |
| 3M448C3M10-57 PRIMARY | Bristol Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| 10121513 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ST3M448C3M10-57 | 5/9 Secondary reference Bristol Industries, Llc |
| BGC448C3-10 | 5/9 Secondary reference Bristol Industries, Llc |
| G49760-3-10 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| ST3M448C3M10 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company Div Defense |
| C177S-3-10 | 5/9 Secondary reference U.S. Government activity |
| G10851-3-10 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Microdot Products |
| 3M448C3M10-57 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| ST3M448C3M10-57 | 5/9 Secondary reference The Boeing Company Div Defense |
| ST3M448C3M10-57 | 5/9 Secondary reference U.S. Government activity |
| 3M448C3M10-57 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-00-567-5237 is a Nut Assembly,self-Locking,gang C, manufactured by Bristol Industries, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-567-5237 has 2 manufacturer part numbers on file: 3M448C3M10-57 (Howmet Global Fastening Systems Inc), 3M448C3M10-57 (Bristol Industries, Llc).
Key specifications for 3M448C3M10-57: Lubrication: DRY FILM LUBRICANT; Thread Series: UNF; Nut Quantity: 57; Material Document and Classification: AMS5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5735 ASSN STD SINGLE MATERIAL RESPONSE NUT. 17 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.