The Pin-Rivet, cataloged under National Stock Number 5320-01-283-3622, 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 21 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-283-3622 |
| Primary Part Number | 4448S10-18P |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.3116 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Lubrication | DRY FILM AND CETYL ALCOHOL |
| Fastener Length | 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Grip Length | 1.120 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN |
| Width Between Flats | 0.1270 INCHES MINIMUM AND 0.1295 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Shear Strength | 108000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP E4340 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.565 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 |
|---|---|
| HLT915LP-10-18 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 4448S10-18P PRIMARY | Huck International, Inc (USA) |
| C9570-10-18P | West Coast Aerospace, Inc. (USA) |
| AIC-L-807-10-18P | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| C9570-10-18P | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| HLT915LP-10-18 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT915LP-10-18 | Hi-Shear Corporation (USA) |
| HLT915LP-10-18 | Howmet Global Fastening Systems Inc (USA) |
| C9570-10-18P | Heartland Precision Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| 4448-10-18P | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| HLT915LP-10-18 | 5/2 Secondary reference U.S. Government activity |
| C9570-10-18P | 1/2 Source control — Government-approved source U.S. Government activity |
| HLT915LP-10-18 | 5/9 Secondary reference U.S. Government activity |
| 5320PL0751489 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5320PL1868018 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| HLT915LP-10-18 | 5/9 Secondary reference Huck International, Inc |
NSN 5320-01-283-3622 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-283-3622 has 9 manufacturer part numbers on file: HLT915LP-10-18 (Sps Technologies, Llc Dba PB Fasteners), 4448S10-18P (Huck International, Inc), C9570-10-18P (West Coast Aerospace, Inc.), AIC-L-807-10-18P (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), C9570-10-18P (Howmet Global Fastening Systems Inc. Div Voi-Shan Products) and 4 more.
Key specifications for 4448S10-18P: Shank Diameter: 0.3116 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN; Lubrication: DRY FILM AND CETYL ALCOHOL; Fastener Length: 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 21 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.