The Screw,machine, cataloged under National Stock Number 5305-01-083-2288, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-083-2288 |
| Primary Part Number | A208B40 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Screw Surface Treatment | ANODIZE |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Screw Material Document and Classification | B.S.1473HB15-WPNB6-1/2H,FSCM 56387 MFR REF SINGLE MATERIAL RESPONSE OR B.S1476HE14-THE15W OR WP,FSCM 56387 MFR REF SINGLE MATERIAL RESPONSE |
| Thread Length | 1.127 INCHES MINIMUM AND 1.189 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | ALUMINUM ALLOY |
| Internal Drive Style | SLOT |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.238 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | D.T.D.910,FSCM 56387 MFR REF SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| A208B40 PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 5305-01-083-2288 is a Screw,machine, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-083-2288 has 1 manufacturer part number on file: A208B40 (Naval Inventory Control Point Mechanicsburg).
Key specifications for A208B40: Screw Surface Treatment: ANODIZE; Fastener Length: 1.250 INCHES NOMINAL IN; Screw Material Document and Classification: B.S.1473HB15-WPNB6-1/2H,FSCM 56387 MFR REF SINGLE MATERIAL RESPONSE OR B.S1476HE14-THE15W OR WP,FSCM 56387 MFR REF SINGLE MATERIAL RESPONSE; Thread Length: 1.127 INCHES MINIMUM AND 1.189 INCHES MAXIMUM IN. 15 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.