The Screw,close Tolerance, cataloged under National Stock Number 5305-01-284-1392, 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 20 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through both NSN and commercial part number lookups. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-284-1392 |
| Primary Part Number | 3M926-3L17 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc |
| Status | ACTIVE |
| Head Height | 0.013 INCHES MAXIMUM IN |
| Fastener Length | 1.454 INCHES MINIMUM AND 1.484 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-83488,TYPE 2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.382 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Features Provided | CETYL ALCOHOL LUBRICANT |
| Head Style | FILLISTER COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Color | WHITE TOP OF HEAD |
| Surface Treatment | ALUMINUM OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| 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 COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.297 INCHES MINIMUM AND 0.302 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 |
|---|---|
| 3M926-3L17 PRIMARY | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| Reference | Meaning |
|---|---|
| HT4068-3-17A | 5/9 Secondary reference Hi-Shear Corporation |
| HT4068-3-17A | 5/9 Secondary reference Huck International, Inc |
| HT4068-3-17A | 5/9 Secondary reference U.S. Government activity |
| WC4068-3-17 | 5/9 Secondary reference West Coast Aerospace, Inc. |
| HT4068-3-17A | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HT4068-3-17A | 5/9 Secondary reference U.S. Government activity |
| HT4068-3-17A | 5/9 Secondary reference U.S. Government activity |
| 3M926-3L17 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HT4068-3-17A | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| HT4068-3-17A | 5/9 Secondary reference Sps Technologies Ltd, Tj Brooks Division |
| 11883-3L17 | 5/9 Secondary reference Reid Products Inc. Dba Reid Products Inc |
| HT4068-3-17A | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| 3M926-3L17 | 5/9 Secondary reference Fastener Innovation Technology, Inc. Dba F I T |
NSN 5305-01-284-1392 is a Screw,close Tolerance, manufactured by Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-284-1392 has 1 manufacturer part number on file: 3M926-3L17 (Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-336-5311. Verify interchangeability with system specifications before substitution.
Key specifications for 3M926-3L17: Head Height: 0.013 INCHES MAXIMUM IN; Fastener Length: 1.454 INCHES MINIMUM AND 1.484 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-83488,TYPE 2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.382 INCHES MINIMUM AND 0.432 INCHES MAXIMUM 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.