PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

39976Nut,plain,hexagon

Fleet Readiness Center East Div Department of Navy · NSN 5310-01-180-8988 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-180-8988 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-180-8988. Primary manufacturer part number: 39976.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Series: UNF
  • Thread Direction: RIGHT-HAND
  • Nut Style: HEXAGON
  • Nominal Thread Size: 0.250 INCHES IN
  • Bearing Surface Type: CHAMFERED
  • Nut Height: 0.375 INCHES NOMINAL IN
  • Thread Class: 3B
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-180-8988, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fleet Readiness Center East Div Department of Navy. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-180-8988
Primary Part Number39976
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFleet Readiness Center East Div Department of Navy
StatusACTIVE
Thread SeriesUNF
Thread DirectionRIGHT-HAND
Nut StyleHEXAGON
Nominal Thread Size0.250 INCHES IN
Bearing Surface TypeCHAMFERED
Nut Height0.375 INCHES NOMINAL IN
Thread Class3B
Width Across Flats0.438 INCHES NOMINAL IN
Thread Quantity Per Inch28
Material Document and ClassificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 303 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5360-00-597-0781212609 INTERCHANGEABLE
Spring,helical,compression
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
Cross-Reference Index
Part NumberManufacturer
39976 Fleet Readiness Center East Div Department of Navy (USA)
39976 Girton Manufacturing Co Inc (USA)
39976 Joint Oil Analysis Program Dba Department of Defense (USA)
Related Parts
5360-00-597-0781INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
212609

Frequently Asked Questions

What is NSN 5310-01-180-8988?

NSN 5310-01-180-8988 is a Nut,plain,hexagon, manufactured by Fleet Readiness Center East Div Department of Navy, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-180-8988?

NSN 5310-01-180-8988 has 3 cross-referenced part numbers: 39976 (Fleet Readiness Center East Div Department of Navy), 39976 (Girton Manufacturing Co Inc), 39976 (Joint Oil Analysis Program Dba Department of Defense).

What NSN replaces 5310-01-180-8988?

There is 1 known substitute for 5310-01-180-8988: 5360-00-597-0781. Verify interchangeability with system specifications before substitution.

What are the specifications of 39976?

Key specifications for 39976: Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT; Thread Series: UNF; Thread Direction: RIGHT-HAND; Nut Style: HEXAGON. 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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