The Screw,close Tolerance, cataloged under National Stock Number 5305-01-530-4100, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (CAGE 57928); Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (CAGE 27624); Federal Manufacturing Corp (CAGE 17943); Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); Huck International, Inc (CAGE 17446) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-530-4100 |
| Primary Part Number | BACB30LU4-7A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries |
| 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 |
|---|---|
| BACB30LU4-7A | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| BACB30LU4-7A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACB30LU4-7A | Federal Manufacturing Corp (USA) |
| BACB30LU4-7A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30LU4-7A | Huck International, Inc (USA) |
| BACB30LU4-7A | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| BACB30LU4-7A | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| BACB30LU4-7A | 3/2 Design control — primary reference U.S. Government activity |
| BACB30LU4-7A | 5/9 Secondary reference Voi-Shan/chatsworth Div of Vsi Corp Sub of Fairchild Industries Inc |
| BACB30LU4-7A | 5/9 Secondary reference U.S. Government activity |
| BACB30LU4-7A | 5/9 Secondary reference U.S. Government activity |
| BACB30AB4-7A | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-530-4100 is a Screw,close Tolerance, manufactured by Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-530-4100 has 6 manufacturer part numbers on file: BACB30LU4-7A (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), BACB30LU4-7A (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACB30LU4-7A (Federal Manufacturing Corp), BACB30LU4-7A (Sps Technologies, Llc Dba PB Fasteners), BACB30LU4-7A (Huck International, Inc) and 1 more.
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.