The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-536-4434, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Valley-Todeco, Inc. Dba Arconic Fastening Systems. The record lists 16 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Valley-Todeco, Inc. Dba Arconic Fastening Systems (CAGE 06710); Houston Precision Fasteners I Lp (CAGE 1VSL7); Howmet Global Fastening Systems Inc (CAGE 06950); Hi-Shear Corporation (CAGE 73197); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-536-4434 |
| Primary Part Number | 3M1277E4D8A |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 3M1277E4D8A PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M1277E4D8A | Houston Precision Fasteners I Lp (USA) |
| TX1027E4D8XA | Howmet Global Fastening Systems Inc (USA) |
| TX1027E4D8XA | Hi-Shear Corporation (USA) |
| TX1027E4D8XA | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| TX1027E4D8XA | Sps Technologies, Llc Dba PB Fasteners (USA) |
| TX1027E4D8XA | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 3M1277E4D8A PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 3M1277E4D8A PRIMARY | Heartland Precision Fasteners Inc (USA) |
| 11861E4D8A | Reid Products Inc. Dba Reid Products Inc (USA) |
| TX1027E4D8XA | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M1277E4D8A PRIMARY | Saturn Fasteners Inc (USA) |
| 3M1277E4D8A PRIMARY | The Boeing Company Div Defense (USA) |
| 3M1277E4D8A PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| WC1277E4D8A | West Coast Aerospace, Inc. (USA) |
| 3M1277E4D8A | Camcar Llc Div Camcar Llc (USA) |
| Reference | Meaning |
|---|---|
| TX1027E4D8XA | 5/2 Secondary reference U.S. Government activity |
| TX1027E4D8XA | 5/9 Secondary reference Sps Technologies Inc |
NSN 5306-01-536-4434 is a Bolt,close Tolerance, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-536-4434 has 16 manufacturer part numbers on file: 3M1277E4D8A (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 3M1277E4D8A (Houston Precision Fasteners I Lp), TX1027E4D8XA (Howmet Global Fastening Systems Inc), TX1027E4D8XA (Hi-Shear Corporation), TX1027E4D8XA (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 11 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.