The Screw,close Tolerance, cataloged under National Stock Number 5305-01-509-8092, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-509-8092 |
| Primary Part Number | TX1027C5-5A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Spline Minor Diameter | 0.1570 INCHES MINIMUM AND 0.1600 INCHES MAXIMUM IN |
| Fastener Length | 0.767 INCHES MINIMUM AND 0.782 INCHES MAXIMUM IN |
| Thread Length | 0.469 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spline Major Diameter | 0.2195 INCHES MINIMUM AND 0.2225 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.313 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.303 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN |
| Grip Diameter | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM 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 | 24 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.438 INCHES MINIMUM AND 0.445 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 |
|---|---|
| TX1027C5-5A PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| GS1014C5-5A PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| WC1170C5-5A | West Coast Aerospace, Inc. (USA) |
| TX1027C5-5A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| TX1027C5-5A PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M1170C5-5A PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| TX1027C5-5A PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| TX1027C5-5A PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M1170C5-5A | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| 3M1170C5-5A | Houston Precision Fasteners I Lp (USA) |
| 11825C5-5A | Reid Products Inc. Dba Reid Products Inc (USA) |
| TX1027C5-5A PRIMARY | Hi-Shear Corporation (USA) |
| TX1027C5-5A PRIMARY | Huck International, Inc (USA) |
| 3M1170C5-5A PRIMARY | Saturn Fasteners Inc (USA) |
| 3M1170C5-5A PRIMARY | Heartland Precision Fasteners Inc (USA) |
| 11845C5-5A PRIMARY | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M1170C5-5A PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 3M1170C5-5A | The Boeing Company Div Defense (USA) |
| TX1027C5-5A | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| TX1027C5-5A | 3/2 Design control — primary reference U.S. Government activity |
| TX1027C5-5A | 3/2 Design control — primary reference U.S. Government activity |
| TX1027C5-5A | 5/9 Secondary reference Sps Technologies Inc |
NSN 5305-01-509-8092 is a Screw,close Tolerance, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-509-8092 has 19 manufacturer part numbers on file: TX1027C5-5A (Sps Technologies, Llc Dba PB Fasteners), GS1014C5-5A (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), WC1170C5-5A (West Coast Aerospace, Inc.), TX1027C5-5A (Fairchild Fasteners Europe - Vsd Gmbh), TX1027C5-5A (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 14 more.
Key specifications for TX1027C5-5A: Spline Minor Diameter: 0.1570 INCHES MINIMUM AND 0.1600 INCHES MAXIMUM IN; Fastener Length: 0.767 INCHES MINIMUM AND 0.782 INCHES MAXIMUM IN; Thread Length: 0.469 INCHES NOMINAL IN; Criticality Code Justification: AGAV. 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.