The Screw,close Tolerance, cataloged under National Stock Number 5305-01-231-7418, is classified within Federal Supply Class 5305 (Screws) 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-231-7418 |
| Primary Part Number | 3M925C5-13D |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Head Height | 0.088 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Fastener Length | 1.329 INCHES MINIMUM AND 1.359 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-83488,TYPE 2,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.507 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | FLAT COUNTERSUNK UNDERCUT |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN |
| Grip Diameter | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM AND CHROMATE OVERALL |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.629 INCHES MINIMUM AND 0.634 INCHES MAXIMUM 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 |
|---|---|
| 3M925C5-13D | West Coast Aerospace, Inc. (USA) |
| 3M925C5-13D PRIMARY | The Boeing Company Div Defense (USA) |
| 3M925C5-13D | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 3M925C5-13D | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HT4067-5-13D | Hi-Shear Corporation (USA) |
| 11881C5-13D | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M925C5-13D | Heartland Precision Fasteners Inc (USA) |
| 3M925C5-13D | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| HT4067-5-13D | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M925C5-13D | Houston Precision Fasteners I Lp (USA) |
| 3M925C5-13D | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M925C5-13D | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M925C5-13D | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M925C5-13D | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| HT4067-5-13D | 5/9 Secondary reference U.S. Government activity |
| 3M925C5-13D | 5/2 Secondary reference U.S. Government activity |
| HT4067-5-13D | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| HT4067-5-13D | 5/9 Secondary reference U.S. Government activity |
| HT4067-5-13D | 5/2 Secondary reference U.S. Government activity |
| HT4067-5-13D | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| 3M925C5-13D | 5/9 Secondary reference Sps Technologies Inc |
NSN 5305-01-231-7418 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-231-7418 has 14 manufacturer part numbers on file: 3M925C5-13D (West Coast Aerospace, Inc.), 3M925C5-13D (The Boeing Company Div Defense), 3M925C5-13D (Fastener Innovation Technology, Inc. Dba F I T), 3M925C5-13D (Sps Technologies Ltd, Tj Brooks Division), HT4067-5-13D (Hi-Shear Corporation) and 9 more.
Key specifications for 3M925C5-13D: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Head Height: 0.088 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Fastener Length: 1.329 INCHES MINIMUM AND 1.359 INCHES MAXIMUM IN. 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.