The Pin-Rivet, cataloged under National Stock Number 5320-01-424-1878, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-424-1878 |
| Primary Part Number | HLT423SE-8-10 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM |
| Fastener Length | 1.020 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Minimum Tensile Strength | 7750 POUNDS PER SQUARE INCH LBS |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 12260 DOUBLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.5018 INCHES MINIMUM AND 0.5066 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 |
|---|---|
| HLT423SE-8-10 PRIMARY | Huck International, Inc (USA) |
| HLT423SE-8-10 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT423SE-8-10 | West Coast Aerospace, Inc. (USA) |
| HLT423SE-8-10 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| HLT423SE-8-10 | 5/9 Secondary reference Voi-Shan/chatsworth Div of Vsi Corp Sub of Fairchild Industries Inc |
| HLT423SE-8-10 | 3/2 Design control — primary reference U.S. Government activity |
| HLT423SE-8-10 | 7/2 Vendor item drawing reference Hi-Shear Corporation |
| HLT423SE-8-10 | 7/2 Vendor item drawing reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| HLT423SE-8-10 | 5/9 Secondary reference U.S. Government activity |
| HLT423SE-8-10 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5320-01-424-1878 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-424-1878 has 4 manufacturer part numbers on file: HLT423SE-8-10 (Huck International, Inc), HLT423SE-8-10 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT423SE-8-10 (West Coast Aerospace, Inc.), HLT423SE-8-10 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for HLT423SE-8-10: Shank Diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Lubrication: SOLID FILM; Fastener Length: 1.020 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN; Material Document and Classification: AMS 5662 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.