The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-727-5682, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-727-5682 |
| Primary Part Number | ST3M453-5D7 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Fastener Length | 0.8885 INCHES MINIMUM AND 0.9355 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS-QQ-P-35 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS 5629 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.4275 INCHES MINIMUM AND 0.4475 INCHES MAXIMUM IN |
| Width Between Flats | 0.492 INCHES MINIMUM AND 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) |
| 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 |
|---|---|
| 109453-5D7 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| FIT7047-5D7 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M453-5D7 PRIMARY | The Boeing Company Div Defense (USA) |
| HP5453-5D7 | Heartland Precision Fasteners Inc (USA) |
| BM17019-5D7 | Huck International, Inc (USA) |
| AIC753-5D7 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| S11-1060-5D7 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| VAL23029-5D7 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| PBF1253-5D7 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| MB61-5D7 | Hi-Shear Corporation (USA) |
| VS3204-5D7 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 109453-5D7 | 5/2 Secondary reference U.S. Government activity |
| ST3M453 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 5306-01-727-5682 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-727-5682 has 11 manufacturer part numbers on file: 109453-5D7 (Sps Technologies, Llc Dba PB Fasteners), FIT7047-5D7 (Fastener Innovation Technology, Inc. Dba F I T), ST3M453-5D7 (The Boeing Company Div Defense), HP5453-5D7 (Heartland Precision Fasteners Inc), BM17019-5D7 (Huck International, Inc) and 6 more.
Key specifications for ST3M453-5D7: Head Height: 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN; Fastener Length: 0.8885 INCHES MINIMUM AND 0.9355 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS-QQ-P-35 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN. 18 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.