The Pin-Rivet, cataloged under National Stock Number 5320-01-475-7425, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies Ltd, Tj Brooks Division. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 13 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-475-7425 |
| Primary Part Number | HLT631YB-10-7 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Sps Technologies Ltd, Tj Brooks Division |
| Status | ACTIVE |
| Shank Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Fastener Length | 0.9275 INCHES MINIMUM AND 0.9475 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3125 INCHES IN |
| Grip Length | 0.4325 INCHES MINIMUM AND 0.4425 INCHES MAXIMUM IN |
| Width Between Flats | 0.1270 INCHES MINIMUM AND 0.1295 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.438 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN |
| 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 |
|---|---|
| HLT631YB-10-7 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| ST3M758D5-7 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HLT631YC-10-7 PRIMARY | Hi-Shear Corporation (USA) |
| HLT631YB-10-7 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M758D5-7 | The Boeing Company Div Defense (USA) |
| HLT631YB-10-7 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT631YC-10-7 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT631YC-10-7 | West Coast Aerospace, Inc. (USA) |
| HLT631YC-10-7 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT631YB-10-7 PRIMARY | Hi-Shear Corporation (USA) |
| HLT631YC-10-7 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HP4758D5-7 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| HLT631YB-10-7 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HLT631YB-10-7 | 5/9 Secondary reference U.S. Government activity |
| HLT631YB-10-7 | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| HLT631YC-10-7 | 3/2 Design control — primary reference U.S. Government activity |
| HLT631YC-10-7 | 3/2 Design control — primary reference U.S. Government activity |
| HLT631YB-10-7 | 3/2 Design control — primary reference U.S. Government activity |
| HLT631YB-10-7 | 3/2 Design control — primary reference U.S. Government activity |
| HLT631YC-10-7 | 5/9 Secondary reference U.S. Government activity |
| HLT631YB-10-7 | 5/9 Secondary reference Sps Technologies Inc |
| HLT631YC-10-7 | 5/9 Secondary reference Sps Technologies Inc |
| HLT631YC-10-7 | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
NSN 5320-01-475-7425 is a Pin-Rivet, manufactured by Sps Technologies Ltd, Tj Brooks Division, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-475-7425 has 13 manufacturer part numbers on file: HLT631YB-10-7 (Sps Technologies Ltd, Tj Brooks Division), ST3M758D5-7 (Fastener Innovation Technology, Inc. Dba F I T), HLT631YC-10-7 (Hi-Shear Corporation), HLT631YB-10-7 (Sps Technologies, Llc Dba PB Fasteners), ST3M758D5-7 (The Boeing Company Div Defense) and 8 more.
Key specifications for HLT631YB-10-7: Shank Diameter: 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN; Fastener Length: 0.9275 INCHES MINIMUM AND 0.9475 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 17 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.