The Screw,close Tolerance, cataloged under National Stock Number 5305-01-203-5301, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 13 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-203-5301 |
| Primary Part Number | HT4069-3-6A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Fastener Length | 0.766 INCHES MINIMUM AND 0.796 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-83488,TY 2,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN |
| Material Document and Classification | 23-118,TY D,FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | OVAL COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.365 INCHES MINIMUM AND 0.385 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 | 101.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.2966 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 |
|---|---|
| HT4069-3-6A PRIMARY | Hi-Shear Corporation (USA) |
| 3M927-3L6 | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| 3M927-3L6 | Heartland Precision Fasteners Inc (USA) |
| HT4069-3-6A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M927-3L6 | Camcar Llc Div Camcar Llc (USA) |
| 3M927-3L6 | Houston Precision Fasteners I Lp (USA) |
| WC4069-3-6 PRIMARY | West Coast Aerospace, Inc. (USA) |
| 3M927-3L6 | Saturn Fasteners Inc (USA) |
| 3M927-3L6 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HT4069-3-6A PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 11885-3L6 | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT4069-3-6A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| HT4069-3-6A PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| HT4069-3-6A | 5/9 Secondary reference U.S. Government activity |
| 3M927-3L6 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HT4069-3-6A | 5/9 Secondary reference U.S. Government activity |
| HT4069-3-6A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-203-5301 is a Screw,close Tolerance, manufactured by Hi-Shear Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-203-5301 has 13 manufacturer part numbers on file: HT4069-3-6A (Hi-Shear Corporation), 3M927-3L6 (Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc), 3M927-3L6 (Heartland Precision Fasteners Inc), HT4069-3-6A (Sps Technologies, Llc Dba PB Fasteners), 3M927-3L6 (Camcar Llc Div Camcar Llc) and 8 more.
Key specifications for HT4069-3-6A: Fastener Length: 0.766 INCHES MINIMUM AND 0.796 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-83488,TY 2,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN; Material Document and Classification: 23-118,TY D,FSCM 76301 MFR REF 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.