The Screw,instrument, cataloged under National Stock Number 5305-00-899-7704, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ge Aviation Systems Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-899-7704 |
| Primary Part Number | 131185-12 |
| Item Name | Screw,instrument |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Ge Aviation Systems Llc |
| Status | ACTIVE |
| Fastener Length | 0.180 INCHES NOMINAL IN |
| Thread Pitch in Millimeters | 0.0297 |
| Thread Length | 0.125 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.9 MILLIMETERS MM |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Countersink Angle | 82.0 DEGREES NOMINAL |
| Thread Quantity Per Inch | 113 |
| Material | STEEL COMP 1340H OR STEEL COMP 1345 OVERALL |
| Thread Series Designator | UNM |
| Head Diameter | 0.061 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 |
|---|---|
| 131185-12 PRIMARY | Ge Aviation Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 5305PL0144523 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5305-00-899-7704 is a Screw,instrument, manufactured by Ge Aviation Systems Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-899-7704 has 1 manufacturer part number on file: 131185-12 (Ge Aviation Systems Llc).
Key specifications for 131185-12: Fastener Length: 0.180 INCHES NOMINAL IN; Thread Pitch in Millimeters: 0.0297; Thread Length: 0.125 INCHES MINIMUM IN; Nominal Thread Diameter: 0.9 MILLIMETERS MM. 13 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.