The Setscrew, cataloged under National Stock Number 5305-01-255-0883, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-255-0883 |
| Primary Part Number | 28707-94C-18 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Width Across Flats | 0.050 INCHES NOMINAL IN |
| Fastener Length | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Locking Feature | PELLET OR PATCH OR STRIP THREADS |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNRC |
| 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 |
|---|---|
| 28707-94C-18 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| LE112-0030-0118 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
| LE112-0030 | D/9 Drawing number reference only The Boeing Company Div Legacy Am&m |
NSN 5305-01-255-0883 is a Setscrew, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-255-0883 has 1 manufacturer part number on file: 28707-94C-18 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for 28707-94C-18: Width Across Flats: 0.050 INCHES NOMINAL IN; Fastener Length: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.112 INCHES IN; Head Style: HEADLESS (SETSCREW). 14 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.