The Nut,self-Locking,assembled Washe, cataloged under National Stock Number 5310-01-216-7897, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-216-7897 |
| Primary Part Number | PBF1404-10 |
| Item Name | Nut,self-Locking,assembled Washe |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Washer Outside Diameter | 0.940 INCHES MINIMUM IN |
| Width Across Flats | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.625 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Style | FLAT WITH TURNED UP EDGE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| 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 |
|---|---|
| PBF1404-10 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 82719-1018 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HW52408-10 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 3M1084-10 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 10110169 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 82719-101B | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HW52408-10 | C/1 Advisory reference — outside the item-of-supply concept Scintrex Inc |
NSN 5310-01-216-7897 is a Nut,self-Locking,assembled Washe, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-216-7897 has 3 manufacturer part numbers on file: PBF1404-10 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 82719-1018 (Sps Technologies, Llc Dba PB Fasteners), HW52408-10 (Howmet Global Fastening Systems Inc).
Key specifications for PBF1404-10: Lubrication: DRY FILM LUBRICANT; Overall Height: 0.687 INCHES MAXIMUM IN; Washer Outside Diameter: 0.940 INCHES MINIMUM IN; Width Across Flats: 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN. 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.