The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-01-494-8224, 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 23 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-494-8224 |
| Primary Part Number | BCH544N9 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bristol Industries, Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625, TY II, CL 1 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-P-85582, TY I, CL C2 MIL SPEC 2ND TREATMENT RESPONSE CHANNEL |
| Surface Treatment Document and Classification | ST3-445 MFR REF SINGLE TREATMENT RESPONSE NUT |
| Surface Treatment Document and Classification | ST3-446 MFR REF SINGLE TREATMENT RESPONSE CLIP |
| Surface Treatment Document and Classification | ST3-446 MFR REF SINGLE TREATMENT RESPONSE SHELL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Nut Quantity | 64 |
| Temp Rating | 350.0 FAHRENHEIT MAXIMUM DEGF |
| Material Document and Classification | QQ-250/13 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE CHANNEL |
| Channel Height | 0.298 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH METALLIC INSERT |
| Assembly Overall Height | 0.298 INCHES MINIMUM AND 0.605 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE CHANNEL |
| Nut Style | GANG CHANNEL, SELF LOCKING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING NUT |
| Material | STEEL CORROSION RESISTING SHELL |
| Material | ALUMINUM ALLOY 7075 CHANNEL |
| Material | STEEL CORROSION RESISTING CLIP |
| Nut Spacing | 1.125 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 |
|---|---|
| BCH544N9 PRIMARY | Bristol Industries, Llc (USA) |
| CH50063-4-9 | Howmet Global Fastening Systems Inc (USA) |
| ST3M544N9D PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5310-01-494-8224 is a Nut Assembly,self-Locking,gang C, manufactured by Bristol Industries, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-494-8224 has 3 manufacturer part numbers on file: BCH544N9 (Bristol Industries, Llc), CH50063-4-9 (Howmet Global Fastening Systems Inc), ST3M544N9D (The Boeing Company Div Defense).
Key specifications for BCH544N9: Surface Treatment Document and Classification: MIL-A-8625, TY II, CL 1 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-P-85582, TY I, CL C2 MIL SPEC 2ND TREATMENT RESPONSE CHANNEL; Surface Treatment Document and Classification: ST3-445 MFR REF SINGLE TREATMENT RESPONSE NUT; Surface Treatment Document and Classification: ST3-446 MFR REF SINGLE TREATMENT RESPONSE CLIP; Surface Treatment Document and Classification: ST3-446 MFR REF SINGLE TREATMENT RESPONSE SHELL. 23 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.