The Pin-Rivet, cataloged under National Stock Number 5320-01-128-6749, 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 18 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5320-01-128-6749 |
| Primary Part Number | BACB30FM8A8 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Head Height | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| Fastener Length | 0.885 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.505 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Shear Strength | 95000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.387 INCHES MINIMUM AND 0.412 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 |
|---|---|
| BACB30FM8A8 | Hi-Shear Corporation (USA) |
| BACB30FM8A8 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| BACB30FM8A8 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30FM8A8 | West Coast Aerospace, Inc. (USA) |
| BACB30FM8A8 | Huck International, Inc (USA) |
| BACB30FM8A8 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BACB30FM8A8 | 5/2 Secondary reference U.S. Government activity |
| HL440UC-8-8 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HL440UC-8-8 | 5/9 Secondary reference U.S. Government activity |
| BACB30FM8A8 | 5/2 Secondary reference U.S. Government activity |
| BACB30FM8A8 | 3/2 Design control — primary reference U.S. Government activity |
| HL440UC-8-8 | 5/9 Secondary reference Hi-Shear Corporation |
| HL440UC-8-8 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-128-6749 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-128-6749 has 6 manufacturer part numbers on file: BACB30FM8A8 (Hi-Shear Corporation), BACB30FM8A8 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), BACB30FM8A8 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30FM8A8 (West Coast Aerospace, Inc.), BACB30FM8A8 (Huck International, Inc) and 1 more.
1 possible match (shared part number, not a government interchangeability claim): 5320-01-687-7424. Verify interchangeability with system specifications before substitution.
Key specifications for BACB30FM8A8: Shank Diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Head Height: 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN; Fastener Length: 0.885 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN. 18 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.