PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PWA51972-29Nut,plain,extended Washer,hexago

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5310-01-112-4376 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-112-4376 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-112-4376. Primary manufacturer part number: PWA51972-29.
Features
  • Nut,plain,extended Washer,hexago — FSC 5310
  • Nut Style: HEXAGON
  • Thread Quantity Per Inch: 20
  • Thread Series: UNF
  • Surface Treatment: OXIDE OVERALL
  • Nominal Thread Size: 0.500 INCHES IN
  • Material: STEEL COMP 12L14 OVERALL
  • Washer Outside Diameter: 1.125 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 12l14 Overall construction
General Description

The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-112-4376, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-112-4376
Primary Part NumberPWA51972-29
Item NameNut,plain,extended Washer,hexago
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Nut StyleHEXAGON
Thread Quantity Per Inch20
Thread SeriesUNF
Surface TreatmentOXIDE OVERALL
Nominal Thread Size0.500 INCHES IN
MaterialSTEEL COMP 12L14 OVERALL
Washer Outside Diameter1.125 INCHES NOMINAL IN
Washer Thickness0.156 INCHES NOMINAL IN
Thread Class2B
Thread DirectionRIGHT-HAND
Width Across Flats0.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-222-1906 INTERCHANGEABLE
Punch,starter
5133-00-228-1354 INTERCHANGEABLE
Drill,twist
4310-00-375-485320-105 INTERCHANGEABLE
Cylinder Sleeve
Steward Machine Co Inc
5940-00-614-0537 INTERCHANGEABLE
Terminal,lug
5940-00-983-6066 INTERCHANGEABLE
Terminal Board
5962-01-123-54366900W54P004 INTERCHANGEABLE
Microcircuit,linear
Ametek Inc Div Aerospace and Defense
5120-01-149-1260 INTERCHANGEABLE
Pliers
5950-01-226-6997 INTERCHANGEABLE
Transformer,power
3020-01-244-4728 INTERCHANGEABLE
Chain,roller
4920-01-300-1911 INTERCHANGEABLE
Test Program Set
Cross-Reference Index
Part NumberManufacturer
PWA51972-29 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
20105 PRIMARY Jergens Inc Div Tooling Components Division (USA)
ADB-25215 Mjt Holdings Llc (USA)
PWA51972-29 Rtx Corporation Div Pratt & Whitney (USA)
Related Parts
5120-00-222-1906INTERCHANGEABLE
PUNCH,STARTER
5133-00-228-1354INTERCHANGEABLE
DRILL,TWIST
4310-00-375-4853INTERCHANGEABLE
CYLINDER SLEEVE
20-105
5940-00-614-0537INTERCHANGEABLE
TERMINAL,LUG
5940-00-983-6066INTERCHANGEABLE
TERMINAL BOARD
5962-01-123-5436INTERCHANGEABLE
MICROCIRCUIT,LINEAR
6900W54P004
5120-01-149-1260INTERCHANGEABLE
PLIERS
5950-01-226-6997INTERCHANGEABLE
TRANSFORMER,POWER
3020-01-244-4728INTERCHANGEABLE
CHAIN,ROLLER
4920-01-300-1911INTERCHANGEABLE
TEST PROGRAM SET
4820-01-468-5594INTERCHANGEABLE
VALVE,FLOW CONTROL
20-105
5365-01-490-5901INTERCHANGEABLE
SPACER,RING
201-05

Frequently Asked Questions

What is NSN 5310-01-112-4376?

NSN 5310-01-112-4376 is a Nut,plain,extended Washer,hexago, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-112-4376?

NSN 5310-01-112-4376 has 4 cross-referenced part numbers: PWA51972-29 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 20105 (Jergens Inc Div Tooling Components Division), ADB-25215 (Mjt Holdings Llc), PWA51972-29 (Rtx Corporation Div Pratt & Whitney).

What NSN replaces 5310-01-112-4376?

There are 12 known substitutes for 5310-01-112-4376: 5120-00-222-1906, 5133-00-228-1354, 4310-00-375-4853 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PWA51972-29?

Key specifications for PWA51972-29: Nut Style: HEXAGON; Overall Height: 0.688 INCHES NOMINAL IN; Thread Quantity Per Inch: 20; Thread Series: UNF. 12 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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