The Screw,close Tolerance, cataloged under National Stock Number 5305-01-512-8416, 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 20 specifications, cited from the U.S. Government catalog. The record lists 19 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-512-8416 |
| Primary Part Number | 11845C3-9AF |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Reid Products Inc. Dba Reid Products Inc |
| Status | ACTIVE |
| Spline Minor Diameter | 0.1105 INCHES MINIMUM AND 0.1125 INCHES MAXIMUM IN |
| Fastener Length | 0.903 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-83488,TYPE II,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.345 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spline Major Diameter | 0.1540 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.553 INCHES MINIMUM AND 0.573 INCHES MAXIMUM IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM OVERALL |
| Internal Drive Style | TORX |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.265 INCHES MINIMUM AND 0.272 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 | Y |
| Part Number | Manufacturer |
|---|---|
| TX1027C3-9AF | Heartland Precision Fasteners Inc (USA) |
| TX1027C3-9AF | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 11845C3-9AF PRIMARY | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M1170C3-9AF PRIMARY | Heartland Precision Fasteners Inc (USA) |
| TX1027C3-9AF | Hi-Shear Corporation (USA) |
| TX1027C3-9AF | Howmet Global Fastening Systems Inc (USA) |
| 3M1170C3-9AF PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M1170C3-9AF PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| WC1170C3-9AF | West Coast Aerospace, Inc. (USA) |
| 3M1170C3-9AF PRIMARY | The Boeing Company Div Defense (USA) |
| TX1027C3-9AF | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| TX1027C3-9AF | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| TX1027C3-9AF | Sps Technologies, Llc Dba PB Fasteners (USA) |
| GS1014C3-9AF PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 3M1170C3-9AF PRIMARY | Saturn Fasteners Inc (USA) |
| TX1027C3-9AF PRIMARY | Huck International, Inc (USA) |
| 11825C3-9AF | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M1170C3-9AF | Houston Precision Fasteners I Lp (USA) |
| TX1027C3-9AF | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| TX1027C3-9AF | 5/2 Secondary reference U.S. Government activity |
| TX1027C3-9AF | 3/2 Design control — primary reference U.S. Government activity |
| TX1027C3-9AF | 5/9 Secondary reference Sps Technologies Inc |
NSN 5305-01-512-8416 is a Screw,close Tolerance, manufactured by Reid Products Inc. Dba Reid Products Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-512-8416 has 19 manufacturer part numbers on file: TX1027C3-9AF (Heartland Precision Fasteners Inc), TX1027C3-9AF (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 11845C3-9AF (Reid Products Inc. Dba Reid Products Inc), 3M1170C3-9AF (Heartland Precision Fasteners Inc), TX1027C3-9AF (Hi-Shear Corporation) and 14 more.
Key specifications for 11845C3-9AF: Spline Minor Diameter: 0.1105 INCHES MINIMUM AND 0.1125 INCHES MAXIMUM IN; Fastener Length: 0.903 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-83488,TYPE II,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.345 INCHES NOMINAL 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.