The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-336-0049, 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 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-336-0049 |
| Primary Part Number | 783-625-SS-12-SLD |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
| Status | ACTIVE |
| Head Height | 0.086 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Fastener Length | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE FASTENER |
| Thread Length | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| First Diameter From Head | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.533 INCHES NOMINAL IN |
| Locking Feature | PELLET THREADS |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE FASTENER |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING FASTENER |
| Material | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.208 INCHES MINIMUM AND 0.226 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 |
|---|---|
| 783-625-SS-12-SLD PRIMARY | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
| Reference | Meaning |
|---|---|
| 0N371372-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5305-01-336-0049 is a Screw,externally Relieved Body, manufactured by Accurate Screw Machine Corp Div Accurate Screw Machine Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-336-0049 has 1 manufacturer part number on file: 783-625-SS-12-SLD (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation).
Key specifications for 783-625-SS-12-SLD: Head Height: 0.086 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN; Fastener Length: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE FASTENER; Thread Length: 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN. 20 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.