The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-101-6028, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastener Innovation Technology, Inc. Dba F I T. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-101-6028 |
| Primary Part Number | FS2001-04-198C |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| Status | ACTIVE |
| Width Across Flats | 0.094 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Head Height | 0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN |
| Fastener Length | 3.031 INCHES MINIMUM AND 3.093 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.750 INCHES MINIMUM IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNJC |
| Head Diameter | 0.176 INCHES MINIMUM AND 0.183 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 |
|---|---|
| FS2001-04-198C | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| PBF1069-198C | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 965811-198C | Ideal Fasteners, Inc. Dba Ideal Fasteners Inc (USA) |
| BCP50001-198C | B & B Specialties Inc (USA) |
| AIC811-04-49 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 965811-198C | Huck International, Inc (USA) |
| CBS811-04-49 | Cbs Fasteners, Llc (USA) |
| 3V2111-198C | 3-V Fastener Co., Inc. (USA) |
| 73573-93-49C | Sps Technologies, Llc Dba PB Fasteners (USA) |
| AOL4166-198 | All Manufacturers, Inc. Dba Allied Harbor Aerospace Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 8219-198 | 5/9 Secondary reference First American Sales Co Inc |
| 965811-198C | 3/2 Design control — primary reference U.S. Government activity |
| E723-198 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-101-6028 is a Screw,cap,socket Head, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-101-6028 has 10 manufacturer part numbers on file: FS2001-04-198C (Fastener Innovation Technology, Inc. Dba F I T), PBF1069-198C (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 965811-198C (Ideal Fasteners, Inc. Dba Ideal Fasteners Inc), BCP50001-198C (B & B Specialties Inc), AIC811-04-49 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 5 more.
Key specifications for FS2001-04-198C: Width Across Flats: 0.094 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Head Height: 0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN; Fastener Length: 3.031 INCHES MINIMUM AND 3.093 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 17 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.