The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-171-6505, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ufc Aerospace Europe Limited. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-171-6505 |
| Primary Part Number | A.104-15D |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Ufc Aerospace Europe Limited |
| Status | ACTIVE |
| Head Height | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Fastener Length | 1.470 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Thread Length | 0.407 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.339 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4A.104 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 4A.104 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 4A.104 | Cbs Fasteners, Llc (USA) |
| A.104-15D PRIMARY | Ufc Aerospace Europe Limited (GBR) |
| Reference | Meaning |
|---|---|
| 4A.104 | 5/1 Secondary reference Bsi Standards Limited |
| 3A.104 | 5/9 Secondary reference Bsi Standards Limited |
NSN 5305-01-171-6505 is a Screw,cap,hexagon Head, manufactured by Ufc Aerospace Europe Limited, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-171-6505 has 4 manufacturer part numbers on file: 4A.104 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), 4A.104 (Fastener Innovation Technology, Inc. Dba F I T), 4A.104 (Cbs Fasteners, Llc), A.104-15D (Ufc Aerospace Europe Limited).
Key specifications for A.104-15D: Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; Fastener Length: 1.470 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN; Thread Length: 0.407 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.190 INCHES IN. 11 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.