The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-723-2697, 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 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-723-2697 |
| Primary Part Number | ST3M453-3-12 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Fastener Length | 1.065 INCHES MINIMUM AND 1.112 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2700 METHOD 1 OR 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.331 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5629 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.1900 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Width Between Flats | 0.376 INCHES NOMINAL IN |
| Grip Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| 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 |
|---|---|
| 11825-3-12 | Reid Products Inc. Dba Reid Products Inc (USA) |
| ST3M453-3-12 PRIMARY | The Boeing Company Div Defense (USA) |
| ST3M453-3-12 | Houston Precision Fasteners I Lp (USA) |
| HP5453-3-12 | Heartland Precision Fasteners Inc (USA) |
| M-61-3-12 | Hi-Shear Corporation (USA) |
| WC453-3-12 | West Coast Aerospace, Inc. (USA) |
| ST3M453-3-12 | Saturn Fasteners Inc (USA) |
| PBF1253-3-12 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| VAL23029-3-12 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| S11-1060-3-12 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| GS1016-3-12 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| FIT7047-3-12 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| VS3204-3-12 | Howmet Global Fastening Systems Inc (USA) |
| AIC753-3-12 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| SLB252-3-12 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| BM17019-3-12 | Huck International, Inc (USA) |
| 109453-3-12 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| VS3204-3-12 | 5/2 Secondary reference U.S. Government activity |
| 109453-3-12 | 5/2 Secondary reference U.S. Government activity |
| ST3M453 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 5306-01-723-2697 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-723-2697 has 17 manufacturer part numbers on file: 11825-3-12 (Reid Products Inc. Dba Reid Products Inc), ST3M453-3-12 (The Boeing Company Div Defense), ST3M453-3-12 (Houston Precision Fasteners I Lp), HP5453-3-12 (Heartland Precision Fasteners Inc), M-61-3-12 (Hi-Shear Corporation) and 12 more.
Key specifications for ST3M453-3-12: Head Height: 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Fastener Length: 1.065 INCHES MINIMUM AND 1.112 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2700 METHOD 1 OR 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.331 INCHES NOMINAL IN. 16 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.