The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-623-6380, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is West Coast Aerospace, Inc.. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5306-01-623-6380 |
| Primary Part Number | WC453-5D83 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | West Coast Aerospace, Inc. |
| Status | ACTIVE |
| Head Height | 0.187 INCHES NOMINAL IN |
| Fastener Length | 5.6545 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS 2700 METHOD 1 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.467 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM THREADS IN |
| Material Document and Classification | AMS 5629 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 5.1875 INCHES NOMINAL IN |
| Width Between Flats | 0.502 INCHES MAXIMUM IN |
| Grip Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 5.535 INCHES NOMINAL THREADS IN |
| 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 |
|---|---|
| WC453-5D83 PRIMARY | West Coast Aerospace, Inc. (USA) |
| GS1016-5D83 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| FIT7047-5D83 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| VS3204-5D83 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| MB61-5D83 PRIMARY | Hi-Shear Corporation (USA) |
| AIC753-5D83 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| S11-1060-5D83 PRIMARY | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| SLB252-5D83 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| VAL23029-5D83 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| ST3M453-5D83 PRIMARY | Saturn Fasteners Inc (USA) |
| BM17019-5D83 PRIMARY | Huck International, Inc (USA) |
| 11825-5D83 PRIMARY | Reid Products Inc. Dba Reid Products Inc (USA) |
| PBF1253-5D83 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 109453-5D83 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M453-5D83 PRIMARY | Houston Precision Fasteners I Lp (USA) |
| HP5453-5D83 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| ST3M453-5D83 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 109453-5D83 | 3/2 Design control — primary reference U.S. Government activity |
| VS3204-5D83 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-623-6380 is a Bolt,close Tolerance, manufactured by West Coast Aerospace, Inc., classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-623-6380 has 17 manufacturer part numbers on file: WC453-5D83 (West Coast Aerospace, Inc.), GS1016-5D83 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), FIT7047-5D83 (Fastener Innovation Technology, Inc. Dba F I T), VS3204-5D83 (Howmet Global Fastening Systems Inc), MB61-5D83 (Hi-Shear Corporation) and 12 more.
Key specifications for WC453-5D83: Head Height: 0.187 INCHES NOMINAL IN; Fastener Length: 5.6545 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS 2700 METHOD 1 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.467 INCHES NOMINAL IN. 19 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.