The Pin-Rivet, cataloged under National Stock Number 5320-01-469-2948, 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 19 specifications, cited from the U.S. Government catalog. The record lists 18 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-469-2948 |
| Primary Part Number | HLT631YB-12-9 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Sps Technologies Ltd, Tj Brooks Division |
| Status | ACTIVE |
| Shank Diameter | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM AND CETYL ALCOHOL |
| Fastener Length | 1.098 INCHES MINIMUM AND 1.118 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Criticality Code Justification | AGAV |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Grip Length | 0.558 INCHES MINIMUM AND 0.568 INCHES MAXIMUM IN |
| Width Between Flats | 0.1582 INCHES MINIMUM AND 0.1617 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 | 0.5554 INCHES MINIMUM AND 0.5604 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 | Y |
| Part Number | Manufacturer |
|---|---|
| HP4758D6-9 | Heartland Precision Fasteners Inc (USA) |
| HLT631YB-12=9 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT631YB-12-9 | Hi-Shear Corporation (USA) |
| HLT631TB-12-9 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| AIC-L-771-12-9 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT631YC-12-9 | Hi-Shear Corporation (USA) |
| ST3M758D6-9 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT631YC-12-9 | West Coast Aerospace, Inc. (USA) |
| HLT631YB-12-9 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT631YC-12-9 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT631YB-12-9 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT631YB-12-9 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT631YC-12-9 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M758D6-9 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HLT631YB-12-9 | West Coast Aerospace, Inc. (USA) |
| ST3M758D6-9 PRIMARY | The Boeing Company Div Defense (USA) |
| HLT631YC-12-9 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT631YC-12-9 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| HLT631YC-12-9 | 5/9 Secondary reference U.S. Government activity |
| HLT631YC-12-9 | 5/9 Secondary reference Sps Technologies Inc |
| HLT631YB-12-9 | 3/2 Design control — primary reference U.S. Government activity |
| HLT631YC-12-9 | 5/2 Secondary reference U.S. Government activity |
| HLT631YC-12-9 | 3/2 Design control — primary reference U.S. Government activity |
| HLT631YB-12-9 | 5/9 Secondary reference U.S. Government activity |
| HLT631YB-12-9 | 5/9 Secondary reference Sps Technologies Inc |
| HLT631YB-12-9 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-469-2948 is a Pin-Rivet, manufactured by Sps Technologies Ltd, Tj Brooks Division, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-469-2948 has 18 manufacturer part numbers on file: HP4758D6-9 (Heartland Precision Fasteners Inc), HLT631YB-12=9 (Sps Technologies, Llc Dba PB Fasteners), HLT631YB-12-9 (Hi-Shear Corporation), HLT631TB-12-9 (Sps Technologies Ltd, Tj Brooks Division), AIC-L-771-12-9 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 13 more.
Key specifications for HLT631YB-12-9: Shank Diameter: 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN; Lubrication: SOLID FILM AND CETYL ALCOHOL; Fastener Length: 1.098 INCHES MINIMUM AND 1.118 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 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.