The Nut,self-Locking,gang Channel, cataloged under National Stock Number 5310-00-285-9764, 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 18 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-285-9764 |
| Primary Part Number | F49249E3-2XN |
| Item Name | Nut,self-Locking,gang Channel |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Nut Length | 0.482 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.100 INCHES MINIMUM NUT IN |
| Base Width | 0.295 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Specification/standard Data | 76301-ST3-445 MANUFACTURERS STANDARD |
| Counterbore Diameter | 0.194 INCHES MINIMUM AND 0.207 INCHES MAXIMUM NUT IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.233 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN |
| Nut Style | GANG CHANNEL, SELF LOCKING |
| Thread Class | 3B |
| Base Thickness | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| 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 |
|---|---|
| F49249E3-2XN | Howmet Global Fastening Systems Inc (USA) |
| F49249-3-3XN | Satair A/s (DNK) |
| F49249E3-2XN | Satair A/s (DNK) |
| BCN445C3-2 | Bristol Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| F49249-3-3XN | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| G18421-2-3 | 5/9 Secondary reference Harvard Industries Inc |
| ST3M445C3M2 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 10121281 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| G18421-2-3 | C/1 Advisory reference — outside the item-of-supply concept Esna, Llc |
| 3929AS1222-C3M2 | 5/2 Secondary reference U.S. Government activity |
| NS103966S-02-2 | 3/2 Design control — primary reference U.S. Government activity |
| G18421L2-3 | 5/9 Secondary reference Harvard Industries Inc |
| G18421L2-3 | C/1 Advisory reference — outside the item-of-supply concept Esna, Llc |
| 3929AS1222-C3M2 | 3/1 Design control — primary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5310-00-285-9764 is a Nut,self-Locking,gang Channel, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-285-9764 has 4 manufacturer part numbers on file: F49249E3-2XN (Howmet Global Fastening Systems Inc), F49249-3-3XN (Satair A/s), F49249E3-2XN (Satair A/s), BCN445C3-2 (Bristol Industries, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5950-00-823-4765. Verify interchangeability with system specifications before substitution.
Key specifications for F49249E3-2XN: Lubrication: DRY FILM LUBRICANT; Nut Length: 0.482 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Temp Rating: 450.0 FAHRENHEIT NOMINAL DEGF. 18 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.