The Nut,self-Locking,spline, cataloged under National Stock Number 5310-01-179-0862, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies Llc Dba PB Fasteners Div PB Fasteners. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-179-0862 |
| Primary Part Number | PBF1447-14 |
| Item Name | Nut,self-Locking,spline |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Width Across Flats | 1.115 INCHES MINIMUM AND 1.127 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Material Document and Classification | AMS 5844 OR AMS 5842 OR AMS 6532 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.875 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Style | SPLINE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 14 |
| Material | COBALT ALLOY 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 |
|---|---|
| PBF1447-14 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| HS4133-14 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| HS4133-14 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| EWNM26-1414 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BH00685-14 PRIMARY | Bristol Industries, Llc (USA) |
| HS4133-14 | Fairchild Fasteners Fullerton Opns (USA) |
| Reference | Meaning |
|---|---|
| HS4133-14 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company |
| HS4133-14 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5310-01-179-0862 is a Nut,self-Locking,spline, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-179-0862 has 6 manufacturer part numbers on file: PBF1447-14 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), HS4133-14 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), HS4133-14 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), EWNM26-1414 (Sps Technologies, Llc Dba PB Fasteners), BH00685-14 (Bristol Industries, Llc) and 1 more.
Key specifications for PBF1447-14: Lubrication: DRY FILM LUBRICANT; Width Across Flats: 1.115 INCHES MINIMUM AND 1.127 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 12 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.