The Bolt,twelve Point, cataloged under National Stock Number 5306-01-507-6641, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Bolt,twelve Point |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Mac Fasteners, Inc. Dba Mac Fasteners Inc (CAGE 0RFT4); Acufast Aircraft Products (CAGE 4GP55); Aerospace Manufacturing Corporation Dba Aerospace Manufacturing Inc (CAGE 0E0Z8); Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (CAGE 78286); Fastener Innovation Technology, Inc. Dba F I T (CAGE 58998) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-507-6641 |
| Primary Part Number | NAS628-18 |
| Item Name | Bolt,twelve Point |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| NAS628-18 | Mac Fasteners, Inc. Dba Mac Fasteners Inc (USA) |
| NAS628-18 | Acufast Aircraft Products (USA) |
| NAS628-18 | Aerospace Manufacturing Corporation Dba Aerospace Manufacturing Inc (USA) |
| NAS628-18 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| NAS628-18 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS628-18 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| NAS628-18 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-507-6641 is a Bolt,twelve Point, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-507-6641 has 6 manufacturer part numbers on file: NAS628-18 (Mac Fasteners, Inc. Dba Mac Fasteners Inc), NAS628-18 (Acufast Aircraft Products), NAS628-18 (Aerospace Manufacturing Corporation Dba Aerospace Manufacturing Inc), NAS628-18 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), NAS628-18 (Fastener Innovation Technology, Inc. Dba F I T) 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.