The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-476-9157, 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 20 specifications, cited from the U.S. Government catalog. The record lists 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-476-9157 |
| Primary Part Number | ST3M753-6-17 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Extended Washer Thickness | 0.054 INCHES NOMINAL IN |
| Head Height | 0.337 INCHES NOMINAL IN |
| Fastener Length | 1.6765 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.691 INCHES MINIMUM AND 0.701 INCHES MAXIMUM IN |
| Thread Length | 0.614 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Material Document and Classification | AMS 5629, PH13-8MO ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.3750 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.0625 INCHES NOMINAL IN |
| Head Minor Diameter | 0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Grip Diameter | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 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 | Y |
| Part Number | Manufacturer |
|---|---|
| ST3M753-6-17 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| AIC763-6-17 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HP7753-6-17 | Heartland Precision Fasteners Inc (USA) |
| ST3M753-6-17 PRIMARY | The Boeing Company Div Defense (USA) |
| VFK600-6-17 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 122897-6-17 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| SLB255-6-17 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| MB156-6-17 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M753-6-17 | Houston Precision Fasteners I Lp (USA) |
| GS1032-6-17 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| S343-6-17 | Huck International, Inc (USA) |
| VS3190-6-17 | Howmet Global Fastening Systems Inc (USA) |
| PBF1267-6-17 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| MB156-6-17 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| 122897-6-17 | 5/2 Secondary reference U.S. Government activity |
| 122897-6-17 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5306-01-476-9157 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-476-9157 has 14 manufacturer part numbers on file: ST3M753-6-17 (Fastener Innovation Technology, Inc. Dba F I T), AIC763-6-17 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HP7753-6-17 (Heartland Precision Fasteners Inc), ST3M753-6-17 (The Boeing Company Div Defense), VFK600-6-17 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 9 more.
Key specifications for ST3M753-6-17: Extended Washer Thickness: 0.054 INCHES NOMINAL IN; Head Height: 0.337 INCHES NOMINAL IN; Fastener Length: 1.6765 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 20 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.