The Screw,machine, cataloged under National Stock Number 5305-01-352-8608, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-352-8608 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Screw Surface Treatment | CADMIUM AND CHROMATE |
| Fastener Length | 0.450 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN |
| Thread Length | 0.276 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1221 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Screw Material | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | TORQUE SET |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNJC |
| Head Diameter | 0.244 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-416,TY2,CL2 FED SPEC 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 |
| Reference | Meaning |
|---|---|
| MA2LE132-06-03 | C/1 Advisory reference — outside the item-of-supply concept Abounding Security Inc Div of Maa Corp |
| SII-1087-0103 | C/1 Advisory reference — outside the item-of-supply concept Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries |
| LE111-0032-0103 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company Div Legacy Am&m |
| PBF1378-0103 | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| NAS1221R06-3 | 3/2 Design control — primary reference U.S. Government activity |
| AIC4038-06-03 | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| 123181A06T03 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| SC1785T-06-03 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| HR132-06T03 | C/1 Advisory reference — outside the item-of-supply concept Hi-Shear Corporation |
NSN 5305-01-352-8608 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-352-8608: Screw Surface Treatment: CADMIUM AND CHROMATE; Fastener Length: 0.450 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN; Thread Length: 0.276 INCHES NOMINAL IN; Nominal Thread Diameter: 0.138 INCHES 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.