The Screw,shoulder, cataloged under National Stock Number 5305-01-346-5213, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Airborn Interconnect, Llc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-346-5213 |
| Primary Part Number | WTFRS125 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Airborn Interconnect, Llc |
| Status | ACTIVE |
| Head Height | 0.050 INCHES NOMINAL IN |
| Fastener Length | 0.200 INCHES NOMINAL IN |
| Shoulder Length | 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.140 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.150 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.219 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| WTFRS125 PRIMARY | Airborn Interconnect, Llc (USA) |
| Reference | Meaning |
|---|---|
| 2143962-1 | 7/2 Vendor item drawing reference Honeywell Intl Inc Defense Avionics Systems |
NSN 5305-01-346-5213 is a Screw,shoulder, manufactured by Airborn Interconnect, Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-346-5213 has 1 manufacturer part number on file: WTFRS125 (Airborn Interconnect, Llc).
Key specifications for WTFRS125: Head Height: 0.050 INCHES NOMINAL IN; Fastener Length: 0.200 INCHES NOMINAL IN; Shoulder Length: 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 18 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.