The Screw,close Tolerance, cataloged under National Stock Number 5305-01-285-2753, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 20 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through both NSN and commercial part number lookups. 17 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-285-2753 |
| Primary Part Number | HT4069-4-20A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.015 INCHES MAXIMUM IN |
| Fastener Length | 1.704 INCHES MINIMUM AND 1.734 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-83488,TYPE 2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | CETYL ALCOHOL LUBRICANT |
| Head Style | FILLISTER COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Color | WHITE TOP OF HEAD |
| 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 | 28 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.390 INCHES MINIMUM AND 0.395 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 |
|---|---|
| HT4069-4-20A | Huck International, Inc (USA) |
| HT4069-4-20A PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HT4069-4-20A | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| 3M927-4L20 | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| HT4069-4-20A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HT4069-4-20A PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 3M927-4L20 | Camcar Llc Div Camcar Llc (USA) |
| 3M927-4L20 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 3M927-4L20 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| HT4069-4-20A PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M927-4L20 | Heartland Precision Fasteners Inc (USA) |
| 3M927-4L20 | Linread Ltd (GBR) |
| HT4069-4-20A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| HT4069-4-20A PRIMARY | Hi-Shear Corporation (USA) |
| 3M927-4L20 | Houston Precision Fasteners I Lp (USA) |
| WC4069-4-20 | West Coast Aerospace, Inc. (USA) |
| 3M927-4L20 | Saturn Fasteners Inc (USA) |
| 11885-4L20 | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 3M27-4L20 | 5/9 Secondary reference Saturn Fasteners Inc |
| HT4069-4-20A | 5/9 Secondary reference Sps Technologies Inc |
| 3M926-4L20 | 5/9 Secondary reference The Boeing Company Div Defense |
| HT4096-4-20A | 5/9 Secondary reference Huck International, Inc |
| HT4069-4-20A | 5/2 Secondary reference U.S. Government activity |
| 11883-4L20 | 5/9 Secondary reference Reid Products Inc. Dba Reid Products Inc |
| HT4096-4-20A | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| HT4069-4-20A | 5/2 Secondary reference U.S. Government activity |
| 3M27-4L20 | 5/9 Secondary reference Heartland Precision Fasteners Inc |
| 3M27-4L20 | 5/9 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| 3M927-4L20 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HT4068-4-20A | 5/9 Secondary reference Hi-Shear Corporation |
| 3M27-4L20 | 5/9 Secondary reference Huck International, Inc |
| HT4096-4-20A | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HT4068-4-20A | 5/9 Secondary reference U.S. Government activity |
| 3M27-4L20 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HT4068-4-20A | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5305-01-285-2753 is a Screw,close Tolerance, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-285-2753 has 18 manufacturer part numbers on file: HT4069-4-20A (Huck International, Inc), HT4069-4-20A (Sps Technologies, Llc Dba PB Fasteners), HT4069-4-20A (Sps Technologies Ltd, Tj Brooks Division), 3M927-4L20 (Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc), HT4069-4-20A (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 13 more.
Key specifications for HT4069-4-20A: Head Height: 0.015 INCHES MAXIMUM IN; Fastener Length: 1.704 INCHES MINIMUM AND 1.734 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-83488,TYPE 2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN. 20 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.