The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-133-9472, 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. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-133-9472 |
| Primary Part Number | 79318CM-1414 |
| Item Name | Nut,plain,extended Washer,hexago |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Washer Outside Diameter | 1.300 INCHES MINIMUM AND 1.345 INCHES MAXIMUM IN |
| Width Across Flats | 1.130 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Temp Rating | 450.0 FAHRENHEIT MAXIMUM DEGF |
| Washer Thickness | 0.070 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.875 INCHES IN |
| Nut Style | SLOTTED HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 14 |
| 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 |
|---|---|
| BH788-14 | Bristol Industries, Llc (USA) |
| 79318CM-1414 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| E12589-14 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| ST3M788-14 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 10109696 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5310-01-133-9472 is a Nut,plain,extended Washer,hexago, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-133-9472 has 3 manufacturer part numbers on file: BH788-14 (Bristol Industries, Llc), 79318CM-1414 (Sps Technologies, Llc Dba PB Fasteners), E12589-14 (Sps Technologies, Llc Dba PB Fasteners).
1 possible match (shared part number, not a government interchangeability claim): 6130-01-298-4086. Verify interchangeability with system specifications before substitution.
Key specifications for 79318CM-1414: Overall Height: 0.422 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN; Washer Outside Diameter: 1.300 INCHES MINIMUM AND 1.345 INCHES MAXIMUM IN; Width Across Flats: 1.130 INCHES NOMINAL IN; 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.