PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7521633Nut,plain,octagon

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5310-00-752-1633 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-752-1633 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-752-1633. Primary manufacturer part number: 7521633.
Features
  • Nut,plain,octagon — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Material: STEEL COMP 1020 OVERALL
  • Thread Quantity Per Inch: 16
  • Bearing Surface Type: CHAMFERED
  • Nominal Thread Size: 2.438 INCHES IN
  • Thread Series: UNS
  • Features Provided: CASEHARDENED
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1020 Overall construction
General Description

The Nut,plain,octagon, cataloged under National Stock Number 5310-00-752-1633, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 10 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
NSN5310-00-752-1633
Primary Part Number7521633
Item NameNut,plain,octagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Thread DirectionRIGHT-HAND
MaterialSTEEL COMP 1020 OVERALL
Thread Quantity Per Inch16
Bearing Surface TypeCHAMFERED
Nominal Thread Size2.438 INCHES IN
Thread SeriesUNS
Features ProvidedCASEHARDENED
Material Document and ClassificationQQ-S-635 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Width Across Flats2.969 INCHES MINIMUM AND 3.031 INCHES MAXIMUM IN
Nut Height0.310 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
Nut StylePLAIN, OCTAGON
Thread Class2B
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-144-8932 INTERCHANGEABLE
Bearing,ball,annular
5365-00-146-7670 INTERCHANGEABLE
Spacer,ring
5310-00-220-266510896720 INTERCHANGEABLE
Nut,plain,hexagon
U S Army Tank Automotive Command Amsta-Im-Mm
8345-00-233-1759 INTERCHANGEABLE
Flag,national
8345-00-247-0364 INTERCHANGEABLE
Flag,national
8345-00-252-6218 INTERCHANGEABLE
Flag,national
5815-00-770-19846317 INTERCHANGEABLE
Plate
Telemechanics Inc
3110-00-902-3772MS17131-32 INTERCHANGEABLE
Bearing,roller,needle
American Society for Testing and Materials Dba Astm International
3020-01-026-01622984-43 INTERCHANGEABLE
Gear,spur
Drs Signal Solutions, Inc.
5330-01-052-224912621 INTERCHANGEABLE
Seal
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
Cross-Reference Index
Part NumberManufacturer
343B1 Diamond Reo Truck Co (USA)
298443 Fruehauf Corp (USA)
630784 Sasco Inc Canadian Div
7521633 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
801E519 Kersey / American Lafrance a Div of Figgie International Inc (USA)
1227M13 Meritor Industrial Products, Llc (USA)
6-3-17 Trailmobile Inc Sub of the Pullman Co (USA)
1227M13 Meritor Heavy Vehicle Systems, Llc (USA)
10896720 Zf Industrieantriebe Witten Gmbh (DEU)
5310007521633 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
Related Parts
3110-00-144-8932INTERCHANGEABLE
BEARING,BALL,ANNULAR
5365-00-146-7670INTERCHANGEABLE
SPACER,RING
5310-00-220-2665INTERCHANGEABLE
NUT,PLAIN,HEXAGON
10896720
8345-00-233-1759INTERCHANGEABLE
FLAG,NATIONAL
8345-00-247-0364INTERCHANGEABLE
FLAG,NATIONAL
8345-00-252-6218INTERCHANGEABLE
FLAG,NATIONAL
5815-00-770-1984INTERCHANGEABLE
PLATE
6317
3110-00-902-3772INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS17131-32
3020-01-026-0162INTERCHANGEABLE
GEAR,SPUR
2984-43
5330-01-052-2249INTERCHANGEABLE
SEAL
12621
6340-01-063-3153INTERCHANGEABLE
INTERPRETER,ICE
144-000-001
4710-01-239-1842INTERCHANGEABLE
TUBE ASSEMBLY,METAL
6317

Frequently Asked Questions

What is NSN 5310-00-752-1633?

NSN 5310-00-752-1633 is a Nut,plain,octagon, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-752-1633?

NSN 5310-00-752-1633 has 10 cross-referenced part numbers: 343B1 (Diamond Reo Truck Co), 298443 (Fruehauf Corp), 630784 (Sasco Inc Canadian Div), 7521633 (U S Army Tank Automotive Command Amsta-Im-Mm), 801E519 (Kersey / American Lafrance a Div of Figgie International Inc) and 5 more.

What NSN replaces 5310-00-752-1633?

There are 12 known substitutes for 5310-00-752-1633: 3110-00-144-8932, 5365-00-146-7670, 5310-00-220-2665 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7521633?

Key specifications for 7521633: Thread Direction: RIGHT-HAND; Material: STEEL COMP 1020 OVERALL; Thread Quantity Per Inch: 16; Bearing Surface Type: CHAMFERED. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-752-1633 still in active supply?

NSN 5310-00-752-1633 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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