The Screw Assembly,panel, cataloged under National Stock Number 5305-01-643-1098, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Accurate Screw Machine Corp Div Accurate Screw Machine Corporation. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-643-1098 |
| Primary Part Number | 116066-.437-C-SS-12ABW |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
| Status | ACTIVE |
| Width Across Flats | 0.078 INCHES NOMINAL IN |
| Head Height | 0.063 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Fastener Length | 0.437 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | TYPE2 MFR REF 1ST TREATMENT RESPONSE OVERALL |
| Material Accommodated Thickness | 0.09375 INCHES NOMINAL IN |
| Thread Length | 0.1775 INCHES MINIMUM AND 0.1975 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.1380 INCHES IN |
| Features Provided | LOCK WASHER |
| Head Style | BUTTON |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL PROPERTY CLASS 18.8 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.250 INCHES MINIMUM AND 0.262 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 |
|---|---|
| 116066-.437-C-SS-12ABW | Aero Defence Pty Ltd (AUS) |
| 116066-.437-C-SS-12ABW PRIMARY | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
| X65838 PRIMARY | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
NSN 5305-01-643-1098 is a Screw Assembly,panel, manufactured by Accurate Screw Machine Corp Div Accurate Screw Machine Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-643-1098 has 3 manufacturer part numbers on file: 116066-.437-C-SS-12ABW (Aero Defence Pty Ltd), 116066-.437-C-SS-12ABW (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation), X65838 (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation).
Key specifications for 116066-.437-C-SS-12ABW: Width Across Flats: 0.078 INCHES NOMINAL IN; Head Height: 0.063 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Fastener Length: 0.437 INCHES NOMINAL IN; Surface Treatment Document and Classification: TYPE2 MFR REF 1ST TREATMENT RESPONSE OVERALL. 17 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.