The Screw,close Tolerance, cataloged under National Stock Number 5305-01-379-9749, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-379-9749 |
| Primary Part Number | 3M927-3L7 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 0.829 INCHES MINIMUM AND 0.859 INCHES MAXIMUM IN |
| Thread Length | 0.406 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Features Provided | CETYL ALCOHOL LUBRICANT |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.623 INCHES NOMINAL IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM 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 | NICKEL ALLOY 718 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 |
|---|---|
| 3M927-3L7 PRIMARY | The Boeing Company Div Defense (USA) |
| HT4069-3-7A PRIMARY | Hi-Shear Corporation (USA) |
| 3M927-3L7 | Huck International, Inc (USA) |
| HT4069-3-7A PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M927-3L7 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| WC4069-3-7 | West Coast Aerospace, Inc. (USA) |
| 3M927-3L7 | Saturn Fasteners Inc (USA) |
| HT4069-3-7A | Howmet Global Fastening Systems Inc (USA) |
| 3M927-3L7 | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| 3M927-3L7 | Heartland Precision Fasteners Inc (USA) |
| 3M927-3L7 | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT4069-3-7A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M927-3L7 | Houston Precision Fasteners I Lp (USA) |
| 3M927-3L7 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M927-3L7 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 3M927-3L7 | Camcar Llc Div Camcar Llc (USA) |
| 11885-3L7 | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M927-3L7 | Linread Ltd (GBR) |
| 3M927-3L7 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| HT4069-3-7A | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-379-9749 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-379-9749 has 19 manufacturer part numbers on file: 3M927-3L7 (The Boeing Company Div Defense), HT4069-3-7A (Hi-Shear Corporation), 3M927-3L7 (Huck International, Inc), HT4069-3-7A (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), 3M927-3L7 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 14 more.
Key specifications for 3M927-3L7: Fastener Length: 0.829 INCHES MINIMUM AND 0.859 INCHES MAXIMUM IN; Thread Length: 0.406 INCHES NOMINAL IN; Nominal Thread Diameter: 0.190 INCHES IN; Features Provided: CETYL ALCOHOL LUBRICANT. 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.