The Screw,close Tolerance, cataloged under National Stock Number 5305-01-671-5806, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Goodrich Corporation. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-671-5806 |
| Primary Part Number | NAS8703DU5 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Fastener Length | 0.635 INCHES NOMINAL IN |
| Thread Length | 0.323 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS8702 THRU NAS8716 NATIONAL STD/SPEC |
| Grip Length | 0.312 INCHES NOMINAL IN |
| Grip Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.303 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 |
|---|---|
| NAS8703DU5 | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| NAS8703DU5 | 3/2 Design control — primary reference U.S. Government activity |
| NAS8703 THRU NAS8716 | 3/1 Design control — primary reference U.S. Government activity |
| NAS8703DU5 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 5305-01-671-5806 is a Screw,close Tolerance, manufactured by Goodrich Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-671-5806 has 1 manufacturer part number on file: NAS8703DU5 (Goodrich Corporation).
Key specifications for NAS8703DU5: Fastener Length: 0.635 INCHES NOMINAL IN; Thread Length: 0.323 INCHES NOMINAL IN; Nominal Thread Diameter: 0.190 INCHES IN; Head Style: FLAT COUNTERSUNK. 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.