The Screw,tapping, cataloged under National Stock Number 5305-00-550-1540, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-550-1540 |
| Primary Part Number | FFS107TYPEBSTYLE10P |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | CANCELLED |
| Head Style | HEXAGON |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Nonmachine Thread Style | DOG TYPE (TYPE B OR C) |
| Nonmachine Nominal Thread Diameter | 0.250 INCHES IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Nondefinitive Spec/std Data | B TYPE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Features Provided | CASEHARDENED |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Head Height | 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFS107TYPEBSTYLE10P | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5305-00-550-1540 is a Screw,tapping, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-550-1540 has 1 cross-referenced part number: FFS107TYPEBSTYLE10P (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 6 known substitutes for 5305-00-550-1540: 5305-00-011-1655, 5305-00-012-6042, 5305-00-012-8226 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for FFS107TYPEBSTYLE10P: Head Style: HEXAGON; Fastener Length: 1.250 INCHES NOMINAL IN; Material: STEEL OVERALL; Nonmachine Thread Style: DOG TYPE (TYPE B OR C). 12 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-550-1540 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.