The Screw,close Tolerance, cataloged under National Stock Number 5305-01-539-4055, 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 19 specifications, cited from the U.S. Government catalog. The record lists 18 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-539-4055 |
| Primary Part Number | 3M927-3L14 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.056 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Fastener Length | 1.281 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-DTL-83488 TY 2 CLS 3 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.406 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5662 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FILLISTER COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.875 INCHES NOMINAL IN |
| Grip Diameter | 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN |
| 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 | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.296 INCHES MINIMUM AND 0.301 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 |
|---|---|
| HT4069-3-14A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HT4069-3-14A | Huck International, Inc (USA) |
| 3M927-3-L-14 | Houston Precision Fasteners I Lp (USA) |
| HT4069-3-14A | Howmet Global Fastening Systems Inc (USA) |
| HT4069-3-14A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HT4069-3-14A | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M927-3L14 | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| 11885-3-L-14 | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M927-3-L-14 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M927-3-L-14 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 3M927-3-L-14 | Camcar Llc Div Camcar Llc (USA) |
| 3M927-3-L-14 | Linread Ltd (GBR) |
| WC4069-3-14 | West Coast Aerospace, Inc. (USA) |
| 3M927-3-L-14 | Heartland Precision Fasteners Inc (USA) |
| 3M927-3-L-14 | Saturn Fasteners Inc (USA) |
| HT4069-3-14A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| HT4069-3-14A | Hi-Shear Corporation (USA) |
| 3M927-3L14 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| HT4069-3-14A | 5/2 Secondary reference U.S. Government activity |
| HT4069-3-14A | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-539-4055 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-539-4055 has 18 manufacturer part numbers on file: HT4069-3-14A (Sps Technologies, Llc Dba PB Fasteners), HT4069-3-14A (Huck International, Inc), 3M927-3-L-14 (Houston Precision Fasteners I Lp), HT4069-3-14A (Howmet Global Fastening Systems Inc), HT4069-3-14A (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 13 more.
Key specifications for 3M927-3L14: Head Height: 0.056 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Fastener Length: 1.281 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-DTL-83488 TY 2 CLS 3 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.406 INCHES NOMINAL IN. 19 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.