The Screw,close Tolerance, cataloged under National Stock Number 5305-01-207-7550, 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 18 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-207-7550 |
| Primary Part Number | 3M927-3L3 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.013 INCHES MAXIMUM IN |
| Fastener Length | 0.579 INCHES MINIMUM AND 0.609 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-83488,TYPE 2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN |
| Material Document and Classification | 23-118,INCO 718 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FILLISTER COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM AND CHROMATE OVERALL |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 101.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.2966 INCHES MINIMUM AND 0.3016 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 |
|---|---|
| 3M927-3L3 PRIMARY | The Boeing Company Div Defense (USA) |
| HT4069-3-3A | Hi-Shear Corporation (USA) |
| 3M927-3L3 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HT4069-3-3A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| WC4069-3-3 | West Coast Aerospace, Inc. (USA) |
| 11885-3L3 | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT4069-3-3A | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M927-3L3 | Saturn Fasteners Inc (USA) |
| HT4069-3-3A | Howmet Global Fastening Systems Inc (USA) |
| HT4069-3-3A | Huck International, Inc (USA) |
| 3M927-3L3 | Houston Precision Fasteners I Lp (USA) |
| 3M927-3L3 | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M927-3L3 | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| 3M927-3L3 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M927-3L3 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 3M927-3L3 | Camcar Llc Div Camcar Llc (USA) |
| 3M927-3L3 | Heartland Precision Fasteners Inc (USA) |
| 3M927-3L3 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| HT4069-3-3A | 5/9 Secondary reference U.S. Government activity |
| 10113541 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| HT4069-3-3A | 5/2 Secondary reference U.S. Government activity |
| HT4069-3-3A | 5/9 Secondary reference U.S. Government activity |
| HT4069-3-3A | C/1 Advisory reference — outside the item-of-supply concept Deutsch Co the |
NSN 5305-01-207-7550 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-207-7550 has 18 manufacturer part numbers on file: 3M927-3L3 (The Boeing Company Div Defense), HT4069-3-3A (Hi-Shear Corporation), 3M927-3L3 (Fastener Innovation Technology, Inc. Dba F I T), HT4069-3-3A (Sps Technologies, Llc Dba PB Fasteners), WC4069-3-3 (West Coast Aerospace, Inc.) and 13 more.
Key specifications for 3M927-3L3: Head Height: 0.013 INCHES MAXIMUM IN; Fastener Length: 0.579 INCHES MINIMUM AND 0.609 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-83488,TYPE 2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN. 18 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.