The Nut,self-Locking,barrel, cataloged under National Stock Number 5310-01-322-8047, 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 16 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-322-8047 |
| Primary Part Number | 523272-1 |
| Item Name | Nut,self-Locking,barrel |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Lubrication | WAX |
| Nut Length | 1.479 INCHES MAXIMUM IN |
| Thread Series | UNJC |
| Criticality Code Justification | FEAT |
| Material Document and Classification | AMS 5528 ASSN STD SINGLE MATERIAL RESPONSE CLIP |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Features Provided | FLOATING NUT |
| Nominal Thread Size | 0.750 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Style | FLOATING SELF-LOCKING BARREL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 10 |
| Material | STEEL CORROSION RESISTING NUT |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Material | STEEL CORROSION RESISTING CLIP |
| Barrel Height | 0.849 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 523272-1 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 523272-1 | Ingram Industries, Inc. Dba Ingram Industries Inc Div Coloc Manufacturing (USA) |
| 523272-1 | Wesco Aircraft Hardware Corp. Dba Incora (USA) |
| Reference | Meaning |
|---|---|
| P9VBF140-120 | 5/9 Secondary reference Esna, Llc |
| 523272-1 | 5/9 Secondary reference Qualified Fasteners Inc |
| 523272-1 | 3/2 Design control — primary reference U.S. Government activity |
| P9VBF140-120 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-01-322-8047 is a Nut,self-Locking,barrel, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-322-8047 has 3 manufacturer part numbers on file: 523272-1 (Sps Technologies, Llc Dba PB Fasteners), 523272-1 (Ingram Industries, Inc. Dba Ingram Industries Inc Div Coloc Manufacturing), 523272-1 (Wesco Aircraft Hardware Corp. Dba Incora).
Key specifications for 523272-1: Lubrication: WAX; Nut Length: 1.479 INCHES MAXIMUM IN; Thread Series: UNJC; Criticality Code Justification: FEAT. 16 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.