The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-131-6729, 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 19 specifications, cited from the U.S. Government catalog. The record lists 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-131-6729 |
| Primary Part Number | 3M892-16D44 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| Surface Finish | 16.0 MICROINCHES GRIP |
| Surface Finish | 16.0 MICROINCHES THREADS |
| Head Height | 0.500 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN |
| Fastener Length | 3.510 INCHES MINIMUM AND 3.530 INCHES MAXIMUM IN |
| Thread Length | 0.750 INCHES MINIMUM AND 0.790 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.073 INCHES MINIMUM AND 0.078 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | NAS621 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN |
| Width Between Flats | 1.427 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN |
| Grip Diameter | 0.9985 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 3.371 INCHES MINIMUM AND 3.401 INCHES MAXIMUM FIRST HOLE 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 |
|---|---|
| 3M892-16D44 | Hi-Shear Corporation (USA) |
| 3M892-16D44 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M892-16D44 | Howmet Global Fastening Systems Inc (USA) |
| 3M892-16D44 PRIMARY | The Boeing Company Div Defense (USA) |
| 3M892-16D44 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M892-16D44 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| 3M892-16D44 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 3M892-16D44 | Heartland Precision Fasteners Inc (USA) |
| 11875-16D44 | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M892-16D44 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M892-16D44 | Linread Northbridge (aircraft Product Division) (GBR) |
| 3M892-16D44 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 3M892-16D44 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M892-16D44 | Camcar Llc Div Camcar Llc (USA) |
| 3M892-16D44 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 3M892-16D44 | Huck International, Inc (USA) |
| 3M892-16D44 | West Coast Aerospace, Inc. (USA) |
| 3M892-16D44 | Saturn Fasteners Inc (USA) |
| 3M892-16D44 | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M892-16D44 | Houston Precision Fasteners I Lp (USA) |
| Reference | Meaning |
|---|---|
| 3M892-16D44 | 5/2 Secondary reference U.S. Government activity |
| 3M892-16D44 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-131-6729 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-131-6729 has 20 manufacturer part numbers on file: 3M892-16D44 (Hi-Shear Corporation), 3M892-16D44 (Sps Technologies, Llc Dba PB Fasteners), 3M892-16D44 (Howmet Global Fastening Systems Inc), 3M892-16D44 (The Boeing Company Div Defense), 3M892-16D44 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 15 more.
Key specifications for 3M892-16D44: Surface Finish: 63.0 MICROINCHES BEARING SURFACE OF HEAD; Surface Finish: 16.0 MICROINCHES GRIP; Surface Finish: 16.0 MICROINCHES THREADS; Head Height: 0.500 INCHES MINIMUM AND 0.515 INCHES MAXIMUM 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.