The Screw,close Tolerance, cataloged under National Stock Number 5305-01-027-2008, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-027-2008 |
| Primary Part Number | HT4025L3-14 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Fastener Length | 1.266 INCHES MINIMUM AND 1.296 INCHES MAXIMUM IN |
| Thread Length | 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN |
| Material Document and Classification | 23-112,MCDONNEL DOUGLAS CORP MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.865 INCHES MINIMUM AND 0.885 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 | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL 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 |
|---|---|
| WC4025L-3-14 | West Coast Aerospace, Inc. (USA) |
| 11905-3L14 | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT4025L3-14 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HT4025L3-14 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HT4025L3-14 PRIMARY | Hi-Shear Corporation (USA) |
| HT4025L3-14 | Howmet Global Fastening Systems Inc (USA) |
| ST3M454L3-14 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| 10114871 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| HT4025L3-14 | 3/2 Design control — primary reference U.S. Government activity |
| ST3M454-3L14 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HT4025L3-14 | 5/9 Secondary reference U.S. Government activity |
| HT4025L3-14 | 5/9 Secondary reference U.S. Government activity |
| ST3M454-3L14 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5305-01-027-2008 is a Screw,close Tolerance, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-027-2008 has 7 manufacturer part numbers on file: WC4025L-3-14 (West Coast Aerospace, Inc.), 11905-3L14 (Reid Products Inc. Dba Reid Products Inc), HT4025L3-14 (Sps Technologies Ltd, Tj Brooks Division), HT4025L3-14 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HT4025L3-14 (Hi-Shear Corporation) and 2 more.
Key specifications for HT4025L3-14: Fastener Length: 1.266 INCHES MINIMUM AND 1.296 INCHES MAXIMUM IN; Thread Length: 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN; Material Document and Classification: 23-112,MCDONNEL DOUGLAS CORP 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.