The Screw,close Tolerance, cataloged under National Stock Number 5305-01-147-6737, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. The record lists 6 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Howmet Global Fastening Systems Inc (CAGE 06950); Hi-Shear Corporation (CAGE 73197); Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAGE L4528); Huck International, Inc (CAGE 17446); Sps Technologies Ltd, Tj Brooks Division (CAGE K5673) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-147-6737 |
| Primary Part Number | ST3M733-6L11 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems 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 |
|---|---|
| HT4057-6-11A | Howmet Global Fastening Systems Inc (USA) |
| HT4057-6-11A | Hi-Shear Corporation (USA) |
| HT4057-6-11A | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HT4057-6-11A | Huck International, Inc (USA) |
| HT4057-6-11A | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| ST3M733-6L11 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| ST3M733-6L11 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HT4057-6-11 | 5/1 Secondary reference U.S. Government activity |
| HT4057-6-11A | 5/9 Secondary reference U.S. Government activity |
| HT4057-6-11A | 5/2 Secondary reference U.S. Government activity |
| ST3M733 | D/9 Drawing number reference only The Boeing Company Div Defense |
| HT4057-6-11 | 5/1 Secondary reference Hi-Shear Corporation |
| HT4057-6-11 | 5/9 Secondary reference U.S. Government activity |
| HT4057-6-11 | 5/1 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| ST3M733-6-11 | 5/9 Secondary reference The Boeing Company Div Defense |
| HT4057-6-11 | 5/9 Secondary reference U.S. Government activity |
| HT4057-6-11A | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-147-6737 is a Screw,close Tolerance, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-147-6737 has 6 manufacturer part numbers on file: HT4057-6-11A (Howmet Global Fastening Systems Inc), HT4057-6-11A (Hi-Shear Corporation), HT4057-6-11A (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HT4057-6-11A (Huck International, Inc), HT4057-6-11A (Sps Technologies Ltd, Tj Brooks Division) and 1 more.
4 possible matches (shared part number, not a government interchangeability claim): 5305-01-254-1365, 5305-01-723-3191, 5305-01-725-0777. Verify interchangeability with system specifications before substitution.
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.