The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-133-2193, 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 14 specifications, cited from the U.S. Government catalog. The record lists 21 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-133-2193 |
| Primary Part Number | ST3M453-3-16 |
| 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 | 1.315 INCHES MINIMUM AND 1.362 INCHES MAXIMUM IN |
| Thread Length | 0.305 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN |
| Material Document and Classification | 23-112 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Grip Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL 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 |
|---|---|
| PBF1253-3-16 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| S11-1060-4-10 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| ST3M453-3-16 | Howmet Global Fastening Systems Inc (USA) |
| MB61-3-16 | Hi-Shear Corporation (USA) |
| ST3M453-3-16 | J M Precision Inc (USA) |
| S353-3-16 | Huck International, Inc (USA) |
| ST3M453-3-16 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| S353-4-10 | Huck International, Inc (USA) |
| MB61-3-16 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| GS1016-3-16 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| ST3M453-3-16 | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| BM17019-3-16 | Huck International, Inc (USA) |
| VAL23029-3-16 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| S11-1060-3-16 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| MA5453-4-10 | Abounding Security Inc Div of Maa Corp (USA) |
| PBF1253-4-10 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M453-3-16 PRIMARY | The Boeing Company Div Defense (USA) |
| ST3M453-3-16 | Heartland Precision Fasteners Inc (USA) |
| AIC753-4-10 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| MA5453-3-16 | Abounding Security Inc Div of Maa Corp (USA) |
| Reference | Meaning |
|---|---|
| VS3204-4-10 | 5/9 Secondary reference U.S. Government activity |
| S353-4-10 | 5/9 Secondary reference U.S. Government activity |
| BM17019-3-16 | 5/9 Secondary reference U.S. Government activity |
| KS3020-4-10 | 5/9 Secondary reference Kenaloy Products Inc Sub Masco Corp |
| 109453-3-16 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| KS3020-3-16 | 5/9 Secondary reference Kenaloy Products Inc Sub Masco Corp |
| S353-3-16 | 5/9 Secondary reference U.S. Government activity |
| ST3M453-3-16 | 5/9 Secondary reference Sps Technologies Inc |
| VS3204-3-16 | 5/9 Secondary reference U.S. Government activity |
| AIC753-3-16 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| 109453-3-16 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-133-2193 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-133-2193 has 21 manufacturer part numbers on file: PBF1253-3-16 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), S11-1060-4-10 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), ST3M453-3-16 (Howmet Global Fastening Systems Inc), MB61-3-16 (Hi-Shear Corporation), ST3M453-3-16 (J M Precision Inc) and 16 more.
Key specifications for ST3M453-3-16: Head Height: 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Fastener Length: 1.315 INCHES MINIMUM AND 1.362 INCHES MAXIMUM IN; Thread Length: 0.305 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN; Material Document and Classification: 23-112 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 14 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.