The Screw,close Tolerance, cataloged under National Stock Number 5305-01-089-3144, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 19 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-089-3144 |
| Primary Part Number | ST3M714-3-6 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc |
| Status | ACTIVE |
| Fastener Length | 0.636 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN |
| Thread Length | 0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN |
| Material Document and Classification | 23-112 TYPE C,FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Grip Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.376 INCHES MINIMUM AND 0.385 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 |
|---|---|
| ST3M714-3-6 PRIMARY | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| Reference | Meaning |
|---|---|
| ST3M714-3-6 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| ST3M714-3-6 | 5/9 Secondary reference Houston Precision Fasteners I Lp |
| ST3M714-3-6 | 5/9 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| HT4049-3-6 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| HT4049-3-6 | 5/9 Secondary reference U.S. Government activity |
| HT4049-3-6 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HT4049-3-6 | 5/9 Secondary reference Hi-Shear Corporation |
| HT4049-3-6 | 5/9 Secondary reference Sps Technologies Ltd, Tj Brooks Division |
| HT4049-3-6 | 5/9 Secondary reference Huck International, Inc |
| WC4049-3-6 | 5/9 Secondary reference West Coast Aerospace, Inc. |
| HT4049-3-6 | 5/9 Secondary reference U.S. Government activity |
| HT4049-3-6 | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| ST3M714-3-6 | 5/9 Secondary reference Fastener Innovation Technology, Inc. Dba F I T |
| ST3M714-3-6 | 5/9 Secondary reference Heartland Precision Fasteners Inc |
| HT4049-3-6 | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| 10115000 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 11931-3-6 | 5/9 Secondary reference Reid Products Inc. Dba Reid Products Inc |
| HT4049-3-6 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HT4049-3-6 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-089-3144 is a Screw,close Tolerance, manufactured by Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-089-3144 has 1 manufacturer part number on file: ST3M714-3-6 (Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc).
Key specifications for ST3M714-3-6: Fastener Length: 0.636 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN; Thread Length: 0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN; Material Document and Classification: 23-112 TYPE C,FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.190 INCHES IN. 16 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.