The Pin-Rivet, cataloged under National Stock Number 5320-01-338-4236, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-338-4236 |
| Primary Part Number | BACB30MY18R20 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Shank Diameter | 0.5605 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Head Height | 0.112 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN |
| Fastener Length | 2.010 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.562 INCHES IN |
| Grip Length | 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN |
| Width Between Flats | 0.2520 INCHES MINIMUM AND 0.2555 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Shear Strength | 95000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.829 INCHES MINIMUM AND 0.864 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 |
|---|---|
| BACB30MY18R20 | Howmet Global Fastening Systems Inc (USA) |
| BACB30MY18R20 | West Coast Aerospace, Inc. (USA) |
| BACB30MY18R20 | Huck International, Inc (USA) |
| BACB30MY18R20 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30MY18R20 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30MY18R20 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| BACB30MY18R20 | Hi-Shear Corporation (USA) |
| BACB30MY18R20 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| Reference | Meaning |
|---|---|
| HL10VRA-18-20 | 5/9 Secondary reference U.S. Government activity |
| HL10VRA-18-20 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| HL10VRA-18-20 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| BACB30MY18R20 | 5/9 Secondary reference Sps Technologies Inc |
| BACB30MY18R20 | 3/2 Design control — primary reference U.S. Government activity |
| HL10VRA-18-20 | 5/9 Secondary reference Hi-Shear Corporation |
| BACB30MY | D/9 Drawing number reference only U.S. Government activity |
NSN 5320-01-338-4236 is a Pin-Rivet, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-338-4236 has 8 manufacturer part numbers on file: BACB30MY18R20 (Howmet Global Fastening Systems Inc), BACB30MY18R20 (West Coast Aerospace, Inc.), BACB30MY18R20 (Huck International, Inc), BACB30MY18R20 (Sps Technologies, Llc Dba PB Fasteners), BACB30MY18R20 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 3 more.
5 possible matches (shared part number, not a government interchangeability claim): 5320-01-451-7562, 5320-01-714-6299, 5320-01-730-7858. Verify interchangeability with system specifications before substitution.
Key specifications for BACB30MY18R20: Shank Diameter: 0.5605 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Head Height: 0.112 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN; Fastener Length: 2.010 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN. 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.