PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28705N94C12P18ASetscrew

Sps Technologies, Llc Dba PB Fasteners · NSN 5305-00-248-5923 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-248-5923 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-248-5923. Primary manufacturer part number: 28705N94C12P18A.
Features
  • Setscrew — FSC 5305
  • Internal Drive Style: HEXAGON
  • Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
  • Material: STEEL OVERALL
  • Thread Length: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
  • Head Style: HEADLESS (SETSCREW)
  • Surface Treatment Document and Classification: QQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Thread Direction: RIGHT-HAND
Applications
  • Applications requiring Steel Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-248-5923, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-248-5923
Primary Part Number28705N94C12P18A
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba PB Fasteners
StatusACTIVE
Internal Drive StyleHEXAGON
Hardness Rating28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL OVERALL
Thread Length0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
Head StyleHEADLESS (SETSCREW)
Surface Treatment Document and ClassificationQQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread DirectionRIGHT-HAND
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Fastener Length0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
Locking FeaturePELLET THREADS
Width Across Flats0.050 INCHES NOMINAL IN
Nominal Thread Diameter0.112 INCHES IN
Point StyleOVAL
Thread Quantity Per Inch40
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class3A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5305-00-063-5288NK515-8R16 INTERCHANGEABLE
Screw,cap,socket Head
Nylok Llc
5305-00-075-3633 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-137-3071MS21262-60 INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-184-2667 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-240-6605NAS1189-08P4L INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-465-5544NASM18063-71 INTERCHANGEABLE
Setscrew
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-584-80121611209PC47 INTERCHANGEABLE
Screw,cap,socket Head
Naval Sea Systems Command
5305-00-793-5594NAS1190E3P7L INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-838-7325 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-948-99135480 INTERCHANGEABLE
Screw,cap,socket Head
Air-Lock, Incorporated
Cross-Reference Index
Part NumberManufacturer
MIL-F-18240E Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
28705N94C12P18A PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
113B2439-1 Bae Systems Controls Inc. (USA)
Related Parts
5305-00-063-5288INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NK515-8R16
5305-00-075-3633INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-137-3071INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
MS21262-60
5305-00-184-2667INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-240-6605INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NAS1189-08P4L
5305-00-465-5544INTERCHANGEABLE
SETSCREW
NASM18063-71
5305-00-584-8012INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
1611209PC47
5305-00-793-5594INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NAS1190E3P7L
5305-00-838-7325INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-948-9913INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5480
5306-01-296-2850INTERCHANGEABLE
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5305-00-248-5923?

NSN 5305-00-248-5923 is a Setscrew, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-248-5923?

NSN 5305-00-248-5923 has 3 cross-referenced part numbers: MIL-F-18240E (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 28705N94C12P18A (Sps Technologies, Llc Dba PB Fasteners), 113B2439-1 (Bae Systems Controls Inc.).

What NSN replaces 5305-00-248-5923?

There are 11 known substitutes for 5305-00-248-5923: 5305-00-063-5288, 5305-00-075-3633, 5305-00-137-3071 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28705N94C12P18A?

Key specifications for 28705N94C12P18A: Internal Drive Style: HEXAGON; Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL; Material: STEEL OVERALL; Thread Length: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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