PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73182-428Nut,self-Locking,extended Washer

Sps Technologies, Llc Dba PB Fasteners · NSN 5310-00-382-7592 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-382-7592 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-382-7592. Primary manufacturer part number: 73182-428.
Features
  • Nut,self-Locking,extended Washer — FSC 5310
  • Surface Treatment Document and Classification: 410,ELASTIC STOP NUT CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL
  • Material Document and Classification: AMS 5709 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Thread Class: 3B
  • Thread Quantity Per Inch: 28
  • Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF)
  • Nominal Thread Size: 0.250 INCHES IN
  • Countersink Angle: 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy Overall construction
General Description

The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-382-7592, is classified within Federal Supply Class 5310 (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 12 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-382-7592
Primary Part Number73182-428
Item NameNut,self-Locking,extended Washer
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba PB Fasteners
StatusCANCELLED
Surface Treatment Document and Classification410,ELASTIC STOP NUT CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL
Material Document and ClassificationAMS 5709 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Class3B
Thread Quantity Per Inch28
Thread SeriesUNIFIED NATIONAL JOINT FINE (UNJF)
Nominal Thread Size0.250 INCHES IN
Countersink Angle85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
Surface TreatmentSILVER OVERALL
Washer Outside Diameter0.448 INCHES MAXIMUM IN
MaterialNICKEL ALLOY OVERALL
Washer Thickness0.065 INCHES MINIMUM IN
Precious MaterialSILVER
Width Across Flats0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
Nut StyleDOUBLE HEXAGON
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5310-01-661-5174 INTERCHANGEABLE
Nut,plain,extended Washer,double
Cross-Reference Index
Part NumberManufacturer
73182-428 PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
4023466 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
LH10863-4 Harvard Industries Inc (USA)
73182-428 Sps Technologies Inc Unbrako Div (USA)
BH00377-4 Bristol Industries, Llc (USA)
ST2116-10 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
ST2115-10 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
5310PL1854921 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5310PL0723179 Jednolity Indeks Materialowy - Uniform Material Index (POL)
H29011-4 Howmet Global Fastening Systems Inc (USA)
LH10863-4 Sps Technologies, Llc Dba PB Fasteners (USA)
ST2117-10 Howmet Global Fastening Systems Inc (USA)
Related Parts
5310-01-661-5174INTERCHANGEABLE
NUT,PLAIN,EXTENDED WASHER,DOUBLE

Frequently Asked Questions

What is NSN 5310-00-382-7592?

NSN 5310-00-382-7592 is a Nut,self-Locking,extended Washer, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-382-7592?

NSN 5310-00-382-7592 has 12 cross-referenced part numbers: 73182-428 (Sps Technologies, Llc Dba PB Fasteners), 4023466 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), LH10863-4 (Harvard Industries Inc), 73182-428 (Sps Technologies Inc Unbrako Div), BH00377-4 (Bristol Industries, Llc) and 7 more.

What NSN replaces 5310-00-382-7592?

There is 1 known substitute for 5310-00-382-7592: 5310-01-661-5174. Verify interchangeability with system specifications before substitution.

What are the specifications of 73182-428?

Key specifications for 73182-428: Surface Treatment Document and Classification: 410,ELASTIC STOP NUT CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: AMS 5709 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Class: 3B; End Item Identification: W/S: ENGINE, AIRCRAFT, F100-PW-200 (F-16A/B/C/D); ENGINE, AIRCRAFT, F100-PW-220 (F-15C/D/E); ENGINE, AIRCRAFT, F100-PW-229 (F15E, F16C/D); AIRCARFT, F-16; AIRCRAFT, EAGLE F-15 A. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-382-7592 still in active supply?

NSN 5310-00-382-7592 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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