The Screw,tapping, cataloged under National Stock Number 5305-00-432-4168, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-432-4168 |
| Primary Part Number | MS51861-29 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Head Diameter | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | AB TYPE |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Nonmachine Thread Style | GIMLET POINT (TYPE A, AB OR BA) |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Nonmachine Nominal Thread Diameter | 0.138 INCHES IN |
| Features Provided | CASEHARDENED |
| Head Style | PAN |
| Head Height | 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN |
| Fastener Length | 0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS51861-29 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 42116 | Federal Screw Products, Inc. (USA) |
| 42116ADX | Airdale Express Llc Div Airdale Express (USA) |
| FFS107 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| MS24617-15 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5305-00-432-4168 is a Screw,tapping, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-432-4168 has 5 cross-referenced part numbers: MS51861-29 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 42116 (Federal Screw Products, Inc.), 42116ADX (Airdale Express Llc Div Airdale Express), FFS107 (Federal Specifications Promulgated by General Services Administration Washington DC), MS24617-15 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There are 7 known substitutes for 5305-00-432-4168: 5999-00-018-6548, 2940-00-431-0288, 4720-00-922-5138 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS51861-29: Head Diameter: 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN; Nondefinitive Spec/std Data: AB TYPE; Internal Drive Style: CROSS RECESS TYPE 1; Surface Treatment: CADMIUM AND CHROMATE OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-432-4168 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.