The Screw,close Tolerance, cataloged under National Stock Number 5305-01-515-4398, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-515-4398 |
| Primary Part Number | BACB30NN4K14 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| BACB30NN4K14 | Huck International, Inc (USA) |
| BACB30NN4K14 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30NN4K14 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30NN4K14 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30NN4K14 | Blanc Aero Industrie Villefranche De Rouergue - Groupe Lisi Aerospace (FRA) |
| BACB30NN4K14 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACB30NN4K14 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| BACB30NN4K14 | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| BACB30NN4K14 | 5/9 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| BACB30NN4K14 | 5/9 Secondary reference Sps Technologies Inc |
| BACB30NN4K14 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| BACB30NN4K14 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-515-4398 is a Screw,close Tolerance, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-515-4398 has 7 manufacturer part numbers on file: BACB30NN4K14 (Huck International, Inc), BACB30NN4K14 (Sps Technologies, Llc Dba PB Fasteners), BACB30NN4K14 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30NN4K14 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30NN4K14 (Blanc Aero Industrie Villefranche De Rouergue - Groupe Lisi Aerospace) and 2 more.
1 possible match (shared part number, not a government interchangeability claim): 5305-01-669-3991. Verify interchangeability with system specifications before substitution.
Key specifications for BACB30NN4K14: End Item Identification: BOEING 707 AIRCRAFT. 0 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.