PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AF325-4Nut,plain,hexagon

Deval Life Cycle Support Llc · NSN 5310-00-768-0319 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-768-0319 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-768-0319. Primary manufacturer part number: AF325-4.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nominal Thread Size: 0.250 INCHES IN
  • Thread Series: UNF
  • Thread Quantity Per Inch: 28
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Hardness Rating: 121.0 BRINELL STANDARD MINIMUM
  • Nut Height: 0.212 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
  • Width Across Flats: 0.4280 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-768-0319, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Deval Life Cycle Support Llc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 25 commercial cross-references from 20 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
NSN5310-00-768-0319
Primary Part NumberAF325-4
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDeval Life Cycle Support Llc
StatusCANCELLED
Nominal Thread Size0.250 INCHES IN
Thread SeriesUNF
Thread Quantity Per Inch28
Bearing Surface TypeCHAMFERED OR WASHER FACED
Hardness Rating121.0 BRINELL STANDARD MINIMUM
Nut Height0.212 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
Width Across Flats0.4280 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Nut StyleHEXAGON
MaterialSTEEL OVERALL
Thread DirectionRIGHT-HAND
Thread Class2B
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-012-0367 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-012-19021177A INTERCHANGEABLE
Nut,plain,hexagon
John Deer Consumer Products Inc
5330-00-030-3282 INTERCHANGEABLE
Packing,preformed
4310-00-148-44733254 INTERCHANGEABLE
Pilot Assembly,reli
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
3110-00-156-485010098 INTERCHANGEABLE
Bearing,ball,annular
Klauer Manufacturing Company
3110-00-183-9898124268R1 INTERCHANGEABLE
Roller,bearing
Navistar Intl Corp Truck Br Ohio Plant
5133-00-228-1364 INTERCHANGEABLE
Drill,twist
5310-00-271-31795327190 INTERCHANGEABLE
Washer,key
U S Army Tank Automotive Command Amsta-Im-Mm
6810-00-281-2762 INTERCHANGEABLE
Methyl Ethyl Ketone
3940-00-294-29423254 INTERCHANGEABLE
Adapter,hoisting
Allison Transmission Inc Dba Allison Transmission, Inc
Cross-Reference Index
Part NumberManufacturer
AF325-4 Deval Life Cycle Support Llc (USA)
852987-00 Defense Reduction Agency (USA)
121902 Zf Industrieantriebe Witten Gmbh (DEU)
650457 Power Products Division of Tecumseh Products Co (USA)
5310PL0726317 Jednolity Indeks Materialowy - Uniform Material Index (POL)
NT6-8CA United Technologies Corp Electro Systems Inc (USA)
MS35690-425 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
251285 Daf Trucks N.v. (NLD)
22A4C1 Clark Equipment Co Div Doosan Infracore Portable Power (USA)
5310007680319 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
MS51968-2 Zf Industrieantriebe Witten Gmbh (DEU)
CSN46261 Curtis Dyna-Fog, Ltd. (USA)
NT6-8CA Ambac International Corporation Div Ambac International (USA)
98J185PC28 Northrop Grumman Systems Corporation Div Marine Systems (USA)
120367 Ed Etnyre & Co (USA)
5310-768-0319 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
325-4 Department of the Air Force (USA)
81334638 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
MS51968-2 Psa Peugeot-Citroen Espana, Sa (ESP)
859158-00 Defense Reduction Agency (USA)
Related Parts
5310-00-012-0367INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-012-1902INTERCHANGEABLE
NUT,PLAIN,HEXAGON
1177A
5330-00-030-3282INTERCHANGEABLE
PACKING,PREFORMED
4310-00-148-4473INTERCHANGEABLE
PILOT ASSEMBLY,RELI
3254
3110-00-156-4850INTERCHANGEABLE
BEARING,BALL,ANNULAR
10098
3110-00-183-9898INTERCHANGEABLE
ROLLER,BEARING
124268R1
5133-00-228-1364INTERCHANGEABLE
DRILL,TWIST
5310-00-271-3179INTERCHANGEABLE
WASHER,KEY
5327190
6810-00-281-2762INTERCHANGEABLE
METHYL ETHYL KETONE
3940-00-294-2942INTERCHANGEABLE
ADAPTER,HOISTING
3254
4720-00-402-5123INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
20115
3120-00-447-5398INTERCHANGEABLE
BEARING,SLEEVE
3-25-4

Frequently Asked Questions

What is NSN 5310-00-768-0319?

NSN 5310-00-768-0319 is a Nut,plain,hexagon, manufactured by Deval Life Cycle Support Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-768-0319?

NSN 5310-00-768-0319 has 25 cross-referenced part numbers: AF325-4 (Deval Life Cycle Support Llc), 852987-00 (Defense Reduction Agency), 121902 (Zf Industrieantriebe Witten Gmbh), 650457 (Power Products Division of Tecumseh Products Co), 5310PL0726317 (Jednolity Indeks Materialowy - Uniform Material Index) and 20 more.

What NSN replaces 5310-00-768-0319?

There are 12 known substitutes for 5310-00-768-0319: 5310-00-012-0367, 5310-00-012-1902, 5330-00-030-3282 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AF325-4?

Key specifications for AF325-4: Nominal Thread Size: 0.250 INCHES IN; Thread Series: UNF; Thread Quantity Per Inch: 28; Bearing Surface Type: CHAMFERED OR WASHER FACED. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-768-0319 still in active supply?

NSN 5310-00-768-0319 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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