PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12275Screw,tapping

Triumph Engine Control Systems Llc · NSN 5305-00-639-3923 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-639-3923 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-639-3923. Primary manufacturer part number: 12275.
Features
  • Screw,tapping — FSC 5305
  • Features Provided: CASEHARDENED
  • Nonmachine Nominal Thread Diameter: 0.086 INCHES IN
  • Fastener Length: 0.194 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
  • Nonmachine Thread Style: DOG TYPE (TYPE B OR C)
  • Material: STEEL OVERALL
  • Head Height: 0.052 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,tapping, cataloged under National Stock Number 5305-00-639-3923, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-639-3923
Primary Part Number12275
Item NameScrew,tapping
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusCANCELLED
Features ProvidedCASEHARDENED
Nonmachine Nominal Thread Diameter0.086 INCHES IN
Fastener Length0.194 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Nonmachine Thread StyleDOG TYPE (TYPE B OR C)
MaterialSTEEL OVERALL
Head Height0.052 INCHES NOMINAL IN
Internal Drive StyleCROSS RECESS TYPE 1
Head StyleFLAT CHAMFER
Head Diameter0.175 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3010-00-186-873712275 INTERCHANGEABLE
Bellows,pressure
Cliflex Bellows Corporation
1560-00-210-933412275 INTERCHANGEABLE
Fairing Assembly,lo
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5133-00-228-136314850 INTERCHANGEABLE
Drill,twist
Viking Drill & Tool, Inc.
6145-00-248-89658442 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
6685-00-286-805612275 INTERCHANGEABLE
Gage,pressure,dial Indicating
Clayton Manufacturing Company
5930-00-296-7101 INTERCHANGEABLE
Switch Section,rotary
5330-00-303-0504A12275 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
5950-00-458-406212275 INTERCHANGEABLE
Transformer,power
Standex Electronics, Inc.
5905-00-533-62722447321-1 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Honeywell Intl Inc Defense Avionics Systems
1660-00-780-622412275 INTERCHANGEABLE
Bridge Plate Assemb
Grimes Aerospace Company
Cross-Reference Index
Part NumberManufacturer
12275 PRIMARY Triumph Engine Control Systems Llc (USA)
10125419 Nimikkeistokeskus Ncb Finland (FIN)
Related Parts
3010-00-186-8737INTERCHANGEABLE
BELLOWS,PRESSURE
12275
1560-00-210-9334INTERCHANGEABLE
FAIRING ASSEMBLY,LO
12275
5133-00-228-1363INTERCHANGEABLE
DRILL,TWIST
14850
6145-00-248-8965INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
8442
6685-00-286-8056INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
12275
5930-00-296-7101INTERCHANGEABLE
SWITCH SECTION,ROTARY
5330-00-303-0504INTERCHANGEABLE
GASKET
A12275
5950-00-458-4062INTERCHANGEABLE
TRANSFORMER,POWER
12275
5905-00-533-6272INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
2447321-1
1660-00-780-6224INTERCHANGEABLE
BRIDGE PLATE ASSEMB
12275
4730-00-826-6066INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
12275
2930-01-537-4086INTERCHANGEABLE
IMPELLER,FAN,AXIAL

Frequently Asked Questions

What is NSN 5305-00-639-3923?

NSN 5305-00-639-3923 is a Screw,tapping, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-639-3923?

NSN 5305-00-639-3923 has 2 cross-referenced part numbers: 12275 (Triumph Engine Control Systems Llc), 10125419 (Nimikkeistokeskus Ncb Finland).

What NSN replaces 5305-00-639-3923?

There are 12 known substitutes for 5305-00-639-3923: 3010-00-186-8737, 1560-00-210-9334, 5133-00-228-1363 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12275?

Key specifications for 12275: Features Provided: CASEHARDENED; Nonmachine Nominal Thread Diameter: 0.086 INCHES IN; Fastener Length: 0.194 INCHES NOMINAL IN; Surface Treatment: CADMIUM OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-639-3923 still in active supply?

NSN 5305-00-639-3923 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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