The Screw,close Tolerance, cataloged under National Stock Number 5305-01-462-2887, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-462-2887 |
| Primary Part Number | TX1027C3-8A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Point Diameter | 0.345 INCHES NOMINAL IN |
| Fastener Length | 0.830 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN |
| Thread Length | 0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spline Major Diameter | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Grip Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Grip Diameter | 0.189 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE 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 | 0.293 INCHES MINIMUM AND 0.301 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 |
|---|---|
| TX1027C3-8A | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| TX1027C3-8A | Howmet Global Fastening Systems Inc (USA) |
| 3M1170C3-8A | The Boeing Company Div Defense (USA) |
| TX1027C3-8A | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 11825C3-8A | Reid Products Inc. Dba Reid Products Inc (USA) |
| TX1027C3-8A | Huck International, Inc (USA) |
| TX1027C3-8A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| TX1027C3-8A | Heartland Precision Fasteners Inc (USA) |
| TX1027C3-8A | West Coast Aerospace, Inc. (USA) |
| TX1027C3-8A PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| TX1027C3-8A | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| TX1027C3-8A | Houston Precision Fasteners I Lp (USA) |
| TX1027C3-8A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| TX1027C3-8A | Hi-Shear Corporation (USA) |
| TX1027C3-8A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| GS1014C3-8A | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| Reference | Meaning |
|---|---|
| TX1027C3-8A | 5/2 Secondary reference U.S. Government activity |
| TX1027C3-8A | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| TX1027C3-8A | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-462-2887 is a Screw,close Tolerance, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-462-2887 has 16 manufacturer part numbers on file: TX1027C3-8A (Fastener Innovation Technology, Inc. Dba F I T), TX1027C3-8A (Howmet Global Fastening Systems Inc), 3M1170C3-8A (The Boeing Company Div Defense), TX1027C3-8A (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 11825C3-8A (Reid Products Inc. Dba Reid Products Inc) and 11 more.
Key specifications for TX1027C3-8A: Point Diameter: 0.345 INCHES NOMINAL IN; Fastener Length: 0.830 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN; Thread Length: 0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN; Material Document and Classification: AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.