The Screw,close Tolerance, cataloged under National Stock Number 5305-01-413-3316, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-413-3316 |
| Primary Part Number | GB510FG7-23 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES HEAD |
| Surface Finish | 32.0 MICROINCHES COUNTERBORE |
| Fastener Length | 2.016 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.594 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.437 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM IN |
| Grip Diameter | 0.4677 INCHES MINIMUM AND 0.4682 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | TORQUE-SET RIBBED |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.826 INCHES MINIMUM AND 0.884 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 |
|---|---|
| GB510FG7-23 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| PBF1475-7-23 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 124379-7-23 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| VCL0009-7-23 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
NSN 5305-01-413-3316 is a Screw,close Tolerance, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-413-3316 has 4 manufacturer part numbers on file: GB510FG7-23 (Northrop Grumman Systems Corporation), PBF1475-7-23 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 124379-7-23 (Sps Technologies, Llc Dba PB Fasteners), VCL0009-7-23 (Valley-Todeco, Inc. Dba Arconic Fastening Systems).
Key specifications for GB510FG7-23: Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES HEAD; Surface Finish: 32.0 MICROINCHES COUNTERBORE; Fastener Length: 2.016 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN. 21 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.