The Pin-Rivet, cataloged under National Stock Number 5320-00-522-1817, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc Div City of Industry Operations. Government technical data includes 16 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-00-522-1817 |
| Primary Part Number | BACB30KK8-15 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Howmet Global Fastening Systems Inc Div City of Industry Operations |
| Status | ACTIVE |
| Shank Diameter | 0.2791 INCHES MINIMUM AND 0.2797 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| Fastener Length | 1.323 INCHES MINIMUM AND 1.343 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416, TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.933 INCHES MINIMUM AND 0.943 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 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP E4340 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 |
|---|---|
| BACB30KK8-15 | West Coast Aerospace, Inc. (USA) |
| BACB30KK8-15 | Hi-Shear Corporation (USA) |
| BACB30KK8-15 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30KK8-15 PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACB30KK8-15 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30KK8-15 | Howmet Global Fastening Systems Inc (USA) |
| BACB30KK8-15 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| HL218-8-15 | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| HL218-8-15 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| HL218-8-15 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| BACB30KK8-15 | 7/2 Vendor item drawing reference U.S. Government activity |
| HL218-8-15 | 5/9 Secondary reference U.S. Government activity |
| HL218-8-15 | 5/9 Secondary reference Hi-Shear Corporation |
| HL218-8-15 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HL218-8-15 | 5/9 Secondary reference West Coast Aerospace, Inc. |
| 65960-8-15 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HL218-8-15 | 5/9 Secondary reference Huck International, Inc |
| BACB30KK8-15 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-00-522-1817 is a Pin-Rivet, manufactured by Howmet Global Fastening Systems Inc Div City of Industry Operations, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-522-1817 has 7 manufacturer part numbers on file: BACB30KK8-15 (West Coast Aerospace, Inc.), BACB30KK8-15 (Hi-Shear Corporation), BACB30KK8-15 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30KK8-15 (Howmet Global Fastening Systems Inc Div City of Industry Operations), BACB30KK8-15 (Sps Technologies, Llc Dba PB Fasteners) and 2 more.
Key specifications for BACB30KK8-15: Shank Diameter: 0.2791 INCHES MINIMUM AND 0.2797 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN; Fastener Length: 1.323 INCHES MINIMUM AND 1.343 INCHES MAXIMUM IN. 16 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.