The Pin-Rivet, cataloged under National Stock Number 5320-01-356-8781, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 7 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5320-01-356-8781 |
| Primary Part Number | HL11VAP-5-10 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.1625 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN |
| Fastener Length | 0.927 INCHES MINIMUM AND 0.947 INCHES MAXIMUM IN |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Grip Length | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Width Between Flats | 0.0635 INCHES MINIMUM AND 0.0645 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNJC |
| Head Major Diameter | 0.2564 INCHES MINIMUM AND 0.2612 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 |
|---|---|
| HL11VAP-5-10 | Howmet Global Fastening Systems Inc (USA) |
| HL11VAP-5-10 PRIMARY | Hi-Shear Corporation (USA) |
| HL11VAP-5-10 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL11VAP-5-10 | West Coast Aerospace, Inc. (USA) |
| HL11VAP-5-10 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL11VAP-5-10 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL11VAP-5-10 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| HL11VAP-5-10 | 5/9 Secondary reference U.S. Government activity |
| HL11VAP-5-10 | 5/9 Secondary reference Sps Technologies Inc |
| HL11VAP-5-10 | 5/9 Secondary reference U.S. Government activity |
| HL11VAZ-5-10 | C/1 Advisory reference — outside the item-of-supply concept Hi-Shear Corporation |
NSN 5320-01-356-8781 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-356-8781 has 7 manufacturer part numbers on file: HL11VAP-5-10 (Howmet Global Fastening Systems Inc), HL11VAP-5-10 (Hi-Shear Corporation), HL11VAP-5-10 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL11VAP-5-10 (West Coast Aerospace, Inc.), HL11VAP-5-10 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 2 more.
1 possible match (shared part number, not a government interchangeability claim): 5320-01-414-5713. Verify interchangeability with system specifications before substitution.
Key specifications for HL11VAP-5-10: Shank Diameter: 0.1625 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN; Fastener Length: 0.927 INCHES MINIMUM AND 0.947 INCHES MAXIMUM IN; Head Style: FLUSH COUNTERSUNK; Thread Direction: RIGHT-HAND. 13 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.