The Screw,shoulder, cataloged under National Stock Number 5305-01-071-8142, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Telemechanics Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-071-8142 |
| Primary Part Number | 186823 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Head Height | 0.078 INCHES NOMINAL IN |
| Fastener Length | 0.297 INCHES NOMINAL IN |
| Shoulder Length | 0.080 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.234 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.185 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | NICKEL OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.312 INCHES NOMINAL 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 |
|---|---|
| 186823 PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 186823 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| 186823 | 5/9 Secondary reference At and T Teletype Corp |
| 186823 | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 5305-01-071-8142 is a Screw,shoulder, manufactured by Telemechanics Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-071-8142 has 1 manufacturer part number on file: 186823 (Telemechanics Inc).
Key specifications for 186823: Head Height: 0.078 INCHES NOMINAL IN; Fastener Length: 0.297 INCHES NOMINAL IN; Shoulder Length: 0.080 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.234 INCHES NOMINAL FIRST SHOULDER IN. 16 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.