The Screw,close Tolerance, cataloged under National Stock Number 5305-01-249-3072, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Reid Products Inc. Dba Reid Products Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-249-3072 |
| Primary Part Number | 11839V4-10-29 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Reid Products Inc. Dba Reid Products Inc |
| Status | ACTIVE |
| Fastener Length | 1.079 INCHES MINIMUM AND 1.109 INCHES MAXIMUM IN |
| Thread Length | 0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN |
| Material Document and Classification | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.497 INCHES MINIMUM AND 0.507 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 |
|---|---|
| 11839V4-10-29 | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| HT4075V4-10-29 | 5/9 Secondary reference Hi-Shear Corporation |
| HT4075V4-10-29 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| HT4075V4-10-29 | 5/9 Secondary reference U.S. Government activity |
| HT4075V4-10-29 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 3M1034V4-10-29 | 3/9 Design control — primary reference The Boeing Company Div Defense |
NSN 5305-01-249-3072 is a Screw,close Tolerance, manufactured by Reid Products Inc. Dba Reid Products Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-249-3072 has 1 manufacturer part number on file: 11839V4-10-29 (Reid Products Inc. Dba Reid Products Inc).
Key specifications for 11839V4-10-29: Fastener Length: 1.079 INCHES MINIMUM AND 1.109 INCHES MAXIMUM IN; Thread Length: 0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN; Material Document and Classification: AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.250 INCHES IN. 15 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.