The Screw,close Tolerance, cataloged under National Stock Number 5305-01-220-0201, 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through both NSN and commercial part number lookups. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-220-0201 |
| Primary Part Number | 3M927-9DL34 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 3.016 INCHES MINIMUM AND 3.046 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-83488,TY 2,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.881 INCHES MINIMUM AND 0.931 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | 23-112,FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM IN |
| Grip Diameter | 0.5605 INCHES MINIMUM AND 0.5615 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 | 18 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.887 INCHES MINIMUM AND 2.927 INCHES MAXIMUM FIRST HOLE IN |
| Head Diameter | 0.766 INCHES MINIMUM AND 0.838 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 |
|---|---|
| 3M927-9DL34 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 3M927-9DL34 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M927-9DL34 | Reid Products Inc. Dba Reid Products Inc (USA) |
| WC4068-9D-34 | West Coast Aerospace, Inc. (USA) |
| 3M927-9DL34 | Huck International, Inc (USA) |
| 3M927-9DL34 | Hi-Shear Corporation (USA) |
| 11883-9DL34 | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M927-9DL34 | Heartland Precision Fasteners Inc (USA) |
| 3M927-9DL34 | Camcar Llc Div Camcar Llc (USA) |
| 3M927-9DL34 | Houston Precision Fasteners I Lp (USA) |
| 3M927-9DL34 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M927-9DL34 PRIMARY | The Boeing Company Div Defense (USA) |
| HT4068-9D34A | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M927-9DL34 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M927-9DL34 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 3M927-9DL34 | Howmet Global Fastening Systems Inc (USA) |
| 3M927-9DL34 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| HT4068-9D34A | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| 3M927-9DL34 | 5/2 Secondary reference U.S. Government activity |
| 3M926-9DL34 | 5/9 Secondary reference Fastener Innovation Technology, Inc. Dba F I T |
| HT4068-9D34A | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| 3M927-9DL34 | 5/2 Secondary reference U.S. Government activity |
| HT4068-9D34A | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| 3M926-9DL34 | 5/9 Secondary reference Sps Technologies Ltd, Tj Brooks Division |
| 3M926-9DL34 | 5/9 Secondary reference U.S. Government activity |
| HT4068-9D34A | 5/9 Secondary reference U.S. Government activity |
| HT4068-9D34A | 5/2 Secondary reference U.S. Government activity |
| HT4068-9D34A | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HT4068-9D34A | 5/9 Secondary reference U.S. Government activity |
| 3M926-9DL34 | 5/9 Secondary reference The Boeing Company Div Defense |
| 3M926-9DL34 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5305-01-220-0201 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-220-0201 has 18 manufacturer part numbers on file: 3M927-9DL34 (Fastener Innovation Technology, Inc. Dba F I T), 3M927-9DL34 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 3M927-9DL34 (Reid Products Inc. Dba Reid Products Inc), WC4068-9D-34 (West Coast Aerospace, Inc.), 3M927-9DL34 (Huck International, Inc) and 13 more.
Key specifications for 3M927-9DL34: Fastener Length: 3.016 INCHES MINIMUM AND 3.046 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-83488,TY 2,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.881 INCHES MINIMUM AND 0.931 INCHES MAXIMUM IN; Shank Unthreaded Hole Diameter: 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE 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.