The Screw,close Tolerance, cataloged under National Stock Number 5305-01-331-7579, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Valley-Todeco, Inc. Dba Arconic Fastening Systems. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-331-7579 |
| Primary Part Number | VCL0009-3-11 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Fastener Length | 1.010 INCHES MINIMUM AND 1.010 INCHES MINIMUM AND 1.057 INCHES MAXIMUM1.057 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.338 INCHES NOMINAL0.338 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.1907 INCHES0.1907 INCHES IN |
| Head Style | FLAT COUNTERSUNKFLAT COUNTERSUNK |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Grip Length | 0.678 INCHES MINIMUM AND 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM0.698 INCHES MAXIMUM IN |
| Grip Diameter | 0.1890 INCHES MINIMUM AND 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM0.1895 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALLPASSIVATE OVERALL |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET)OFFSET CRUCIFORM (TORQUE SET) |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM101.0 DEGREES MAXIMUM |
| Thread Class | 3A3A |
| Thread Quantity Per Inch | 3232 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.339 INCHES MINIMUM AND 0.339 INCHES MINIMUM AND 0.381 INCHES MAXIMUM0.381 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 |
|---|---|
| VCL0009-3-11 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| PBF1475-3-11 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 124379-3-11 | 3/2 Design control — primary reference U.S. Government activity |
| GB510FG3-11 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5305-01-331-7579 is a Screw,close Tolerance, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-331-7579 has 2 manufacturer part numbers on file: VCL0009-3-11 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), PBF1475-3-11 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners).
Key specifications for VCL0009-3-11: Fastener Length: 1.010 INCHES MINIMUM AND 1.010 INCHES MINIMUM AND 1.057 INCHES MAXIMUM1.057 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.338 INCHES NOMINAL0.338 INCHES NOMINAL IN; Material Document and Classification: AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS 5662 ASSN STD SINGLE MATERIAL 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.