PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5274-146Nut,self-Locking,hexagon

Raytheon Company Dba Raytheon · NSN 5310-00-208-1919 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-208-1919 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-208-1919. Primary manufacturer part number: 5274-146.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Nominal Thread Size: 0.250 INCHES IN
  • Nut Style: HEXAGON
  • Nut Height: 0.312 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
  • Material: PLASTIC POLYAMIDE NYLON LOCKING INSERT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyamide Nylon Locking Insert construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-208-1919, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Raytheon Company Dba Raytheon. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 34 commercial cross-references from 24 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
NSN5310-00-208-1919
Primary Part Number5274-146
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusCANCELLED
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Bearing Surface TypeCHAMFERED OR WASHER FACED
Nominal Thread Size0.250 INCHES IN
Nut StyleHEXAGON
Nut Height0.312 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
MaterialPLASTIC POLYAMIDE NYLON LOCKING INSERT
Thread Quantity Per Inch20
Surface TreatmentCADMIUM OVERALL EXCEPT INSERT
Thread Class3B
MaterialSTEEL NUT
Thread DirectionRIGHT-HAND
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Width Across Flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-144-9004060-11 INTERCHANGEABLE
Bearing,ball,annular
Lockheed Martin Corporation Div Rms - Mitchel Field
3110-00-275-02391828S71 INTERCHANGEABLE
Bearing,ball,thrust
Meritor Heavy Vehicle Systems, Llc
5305-00-276-84571273 INTERCHANGEABLE
Screw,cap,hexagon Head
Eaton Aerospace, Llc Dba Jackson South
5815-00-338-3384SM-B-187000 INTERCHANGEABLE
Teletypewriter Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2990-00-375-98165125190 INTERCHANGEABLE
Shaft Assembly,governor
Rolls-Royce Solutions America Inc
6685-00-425-51416N4540 INTERCHANGEABLE
Thermostat,flow Control
Caterpillar Inc Div Caterpillar Defense
3120-00-513-48011273 INTERCHANGEABLE
Bearing,plain,rod End
Goodrich Corporation
2530-00-738-7667F3081 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5905-00-777-8326 INTERCHANGEABLE
Resistor,fixed,wire Wound
5310-00-824-9399 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cross-Reference Index
Part NumberManufacturer
5274-146 Raytheon Company Dba Raytheon (USA)
203-1011P56 Raytheon Company Div Corp (USA)
203M0047P002 Raytheon Company Div Corp (USA)
22NE040 Harvard Industries Inc (USA)
17D1 Clark Equipment Co (USA)
A1-10730D1 Army, United States Department of the Dba Diorectorate of Production Engineering Div Tobyhanna Army Depot (USA)
17D1 Dana Off Highway Products, Llc (USA)
C520025C000 Zf Industrieantriebe Witten Gmbh (DEU)
D21061-26 Bogue Systems Inc Dba Bogue Systems Inc (USA)
C720025C000 Zf Industrieantriebe Witten Gmbh (DEU)
B4524-321-16 Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA)
203M0047P002 Raytheon Company Dba Raytheon Co (USA)
AN365-420A Aeronautical Standards Group Dept of Navy and Air Force (USA)
D21061-26 Bogue Electric Manufacturing Co (USA)
810729-00 Defense Reduction Agency (USA)
54955 Drs Environmental Systems Inc (USA)
SM-D-475754-2 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
203MR047P002 Raytheon Co Missile Systems Div Lowell Plant (USA)
A1-10779D1 Army, United States Department of the Dba Diorectorate of Production Engineering Div Tobyhanna Army Depot (USA)
54955 Keco Industries, Inc. (USA)
Related Parts
3110-00-144-9004INTERCHANGEABLE
BEARING,BALL,ANNULAR
060-11
3110-00-275-0239INTERCHANGEABLE
BEARING,BALL,THRUST
1828S71
5305-00-276-8457INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
1273
5815-00-338-3384INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
SM-B-187000
2990-00-375-9816INTERCHANGEABLE
SHAFT ASSEMBLY,GOVERNOR
5125190
6685-00-425-5141INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
6N4540
3120-00-513-4801INTERCHANGEABLE
BEARING,PLAIN,ROD END
1273
2530-00-738-7667INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
F3081
5905-00-777-8326INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5310-00-824-9399INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5975-01-065-2264INTERCHANGEABLE
BUSHING,ELECTRICAL CONDUIT
BUC-75
5940-01-097-0264INTERCHANGEABLE
TERMINAL STRIP,GROUNDING
1273

Frequently Asked Questions

What is NSN 5310-00-208-1919?

NSN 5310-00-208-1919 is a Nut,self-Locking,hexagon, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-208-1919?

NSN 5310-00-208-1919 has 34 cross-referenced part numbers: 5274-146 (Raytheon Company Dba Raytheon), 203-1011P56 (Raytheon Company Div Corp), 203M0047P002 (Raytheon Company Div Corp), 22NE040 (Harvard Industries Inc), 17D1 (Clark Equipment Co) and 29 more.

What NSN replaces 5310-00-208-1919?

There are 12 known substitutes for 5310-00-208-1919: 3110-00-144-9004, 3110-00-275-0239, 5305-00-276-8457 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5274-146?

Key specifications for 5274-146: Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT; Thread Series: UNIFIED NATIONAL COARSE (UNC); Bearing Surface Type: CHAMFERED OR WASHER FACED; Nominal Thread Size: 0.250 INCHES IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-208-1919 still in active supply?

NSN 5310-00-208-1919 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.
PartsTable Design LLC · partstable.com