The Screw,shoulder, cataloged under National Stock Number 5305-00-451-8924, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Designatronics Incorporated Div Sterling Instruments Div. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-451-8924 |
| Primary Part Number | S70984-G42-27 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Designatronics Incorporated Div Sterling Instruments Div |
| Status | ACTIVE |
| Head Height | 0.156 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN |
| Fastener Length | 1.724 INCHES MINIMUM AND 1.776 INCHES MAXIMUM IN |
| Shoulder Length | 1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.246 INCHES MINIMUM AND 0.249 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.344 INCHES MINIMUM AND 0.406 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 |
|---|---|
| S70984-G42-27 PRIMARY | Designatronics Incorporated Div Sterling Instruments Div (USA) |
| Reference | Meaning |
|---|---|
| G42-27 | 5/9 Secondary reference Designatronics Incorporated Div Sterling Instruments Div |
| 540735-027 | 5/9 Secondary reference Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
| G42-027 | 5/9 Secondary reference Designatronics Incorporated Div Sterling Instruments Div |
| 540735-27 | 5/9 Secondary reference Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
NSN 5305-00-451-8924 is a Screw,shoulder, manufactured by Designatronics Incorporated Div Sterling Instruments Div, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-451-8924 has 1 manufacturer part number on file: S70984-G42-27 (Designatronics Incorporated Div Sterling Instruments Div).
Key specifications for S70984-G42-27: Head Height: 0.156 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN; Fastener Length: 1.724 INCHES MINIMUM AND 1.776 INCHES MAXIMUM IN; Shoulder Length: 1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.246 INCHES MINIMUM AND 0.249 INCHES MAXIMUM 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.