PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8738088-2Nut,plain,single Ball Seat,hexag

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5310-00-078-7026 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-078-7026 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-078-7026. Primary manufacturer part number: 8738088-2.
Features
  • Nut,plain,single Ball Seat,hexag — FSC 5310
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Material: STEEL OVERALL
  • Thread Quantity Per Inch: 16
  • Thread Series: UNIFIED NATIONAL JOINT (UNJ)
  • Nominal Thread Size: 1.125 INCHES IN
  • Thread Pitch Diameters: +1.0829 TO 1.0899 INCHES IN
  • Nut Height: 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,single Ball Seat,hexag, cataloged under National Stock Number 5310-00-078-7026, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-078-7026
Primary Part Number8738088-2
Item NameNut,plain,single Ball Seat,hexag
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Surface TreatmentCADMIUM OR ZINC OVERALL
MaterialSTEEL OVERALL
Thread Quantity Per Inch16
Thread SeriesUNIFIED NATIONAL JOINT (UNJ)
Nominal Thread Size1.125 INCHES IN
Thread Pitch Diameters+1.0829 TO 1.0899 INCHES IN
Nut Height0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
Ball Seat Radius0.875 INCHES NOMINAL IN
Nut StyleSINGLE BALL SEAT, HEXAGON
Thread DirectionLEFT-HAND
Width Across Flats1.475 INCHES MINIMUM AND 1.495 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-155-6152 INTERCHANGEABLE
Bearing,ball,annular
3460-01-337-9944 INTERCHANGEABLE
Dog,lathe
Cross-Reference Index
Part NumberManufacturer
5310000787026 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
89328 Alliedsignal Inc Alliedsignal Braking Systems-Wheel End Products (USA)
8738088-2 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
3110-00-155-6152INTERCHANGEABLE
BEARING,BALL,ANNULAR
3460-01-337-9944INTERCHANGEABLE
DOG,LATHE

Frequently Asked Questions

What is NSN 5310-00-078-7026?

NSN 5310-00-078-7026 is a Nut,plain,single Ball Seat,hexag, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-078-7026?

NSN 5310-00-078-7026 has 3 cross-referenced part numbers: 5310000787026 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 89328 (Alliedsignal Inc Alliedsignal Braking Systems-Wheel End Products), 8738088-2 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 5310-00-078-7026?

There are 2 known substitutes for 5310-00-078-7026: 3110-00-155-6152, 3460-01-337-9944. Verify interchangeability with system specifications before substitution.

What are the specifications of 8738088-2?

Key specifications for 8738088-2: Surface Treatment: CADMIUM OR ZINC OVERALL; Material: STEEL OVERALL; Thread Quantity Per Inch: 16; Thread Series: UNIFIED NATIONAL JOINT (UNJ). 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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