The Pin-Rivet, cataloged under National Stock Number 5320-00-357-2138, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-00-357-2138 |
| Primary Part Number | HL557-8-10 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Shank Diameter | 0.2641 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM IN |
| Fastener Length | 1.065 INCHES MINIMUM AND 1.085 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.650 INCHES MAXIMUM IN |
| Width Between Flats | 0.095 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 95000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.390 INCHES MINIMUM AND 0.395 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 |
|---|---|
| HL557-8-10 | Hi-Shear Corporation (USA) |
| HL557-8-10 | Satair A/s (DNK) |
| HL557-8-10 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| HL557-8-10 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M280A4-10 | The Boeing Company Div Defense (USA) |
| HL557-8-10 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL557-8-10 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| HL557-8-10 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HL557-8-10 | 5/2 Secondary reference U.S. Government activity |
| HL557-8-10 | 5/9 Secondary reference U.S. Government activity |
| HL557-8-10 | 5/9 Secondary reference U.S. Government activity |
| HL557-8-10 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5320-00-357-2138 is a Pin-Rivet, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-357-2138 has 8 manufacturer part numbers on file: HL557-8-10 (Hi-Shear Corporation), HL557-8-10 (Satair A/s), HL557-8-10 (Fairchild Fasteners Europe - Vsd Gmbh), HL557-8-10 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), 3M280A4-10 (The Boeing Company Div Defense) and 3 more.
Key specifications for HL557-8-10: Shank Diameter: 0.2641 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM IN; Fastener Length: 1.065 INCHES MINIMUM AND 1.085 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL 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.