The Screw,close Tolerance, cataloged under National Stock Number 5305-01-102-3613, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastener Innovation Technology, Inc. Dba F I T. Government technical data includes 17 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-102-3613 |
| Primary Part Number | 3M938-3-3-5 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| Status | ACTIVE |
| Fastener Length | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-83488 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.287 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | OVAL COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 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 | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.2966 INCHES MINIMUM AND 0.3016 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 |
|---|---|
| 3M938-3-3-5 | Heartland Precision Fasteners Inc (USA) |
| 3M938-3-3-5 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M938-3-3-5 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HT4072-3-3-5 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| HT4072-3-3-5 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HT4072-3-3-5 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HT4072-3-3-5 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HT4072-3-3-5 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HT4072-3-3-5 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 11889-3-3-5 | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M938-3-3-5 | Houston Precision Fasteners I Lp (USA) |
| HT4072-3-3-5 PRIMARY | Huck International, Inc (USA) |
| WC4072-3-3-5 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HT4072-3-3-5 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HT4072-3-3-5 | 5/2 Secondary reference U.S. Government activity |
| HT4072-3-3-5 | 5/9 Secondary reference Sps Technologies Inc |
| HT4072-3-3-5 | 5/2 Secondary reference U.S. Government activity |
| 3M938-3-3-5 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HT4072-3-3-5 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-102-3613 is a Screw,close Tolerance, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-102-3613 has 14 manufacturer part numbers on file: 3M938-3-3-5 (Heartland Precision Fasteners Inc), 3M938-3-3-5 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 3M938-3-3-5 (Fastener Innovation Technology, Inc. Dba F I T), HT4072-3-3-5 (Howmet Global Fastening Systems Inc), HT4072-3-3-5 (Sps Technologies, Llc Dba PB Fasteners) and 9 more.
Key specifications for 3M938-3-3-5: Fastener Length: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-83488 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.287 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN; Material Document and Classification: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 17 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.