PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

00638Nut,plain,plate

Tru-Hitch, Inc. · NSN 5310-01-670-7694 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-670-7694 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-670-7694. Primary manufacturer part number: 00638.
Features
  • Nut,plain,plate — FSC 5310
  • Plate Width: 1.750 INCHES NOMINAL IN
  • Nut Style: PLATE
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 9
  • Thread Class: 2B
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Size: 0.875 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,plain,plate, cataloged under National Stock Number 5310-01-670-7694, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Tru-Hitch, Inc.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-670-7694
Primary Part Number00638
Item NameNut,plain,plate
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTru-Hitch, Inc.
StatusACTIVE
Plate Width1.750 INCHES NOMINAL IN
Nut StylePLATE
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch9
Thread Class2B
Thread DirectionRIGHT-HAND
Nominal Thread Size0.875 INCHES IN
Nut Height0.796875 INCHES NOMINAL IN
Plate Thickness0.120 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5306-00-272-2135021-14620-000 INTERCHANGEABLE
Bolt,eye
Johnson Controls Navy Systems, Llc
5340-01-255-648700-638 INTERCHANGEABLE
Clamp,loop
Avox Systems Inc Dba Avox Systems Inc
5920-01-433-338800638 INTERCHANGEABLE
Fuse,cartridge
Toshiba International Corporation Dba Toshiba International Corp
6850-01-601-338900638 INTERCHANGEABLE
Sealer,chemical
Henkel Loctite Corp
Cross-Reference Index
Part NumberManufacturer
00638 PRIMARY Tru-Hitch, Inc. (USA)
90949A124 Mcmaster-Carr Supply Co (USA)
Related Parts
5306-00-272-2135INTERCHANGEABLE
BOLT,EYE
021-14620-000
5340-01-255-6487INTERCHANGEABLE
CLAMP,LOOP
00-638
5920-01-433-3388INTERCHANGEABLE
FUSE,CARTRIDGE
00638
6850-01-601-3389INTERCHANGEABLE
SEALER,CHEMICAL
00638

Frequently Asked Questions

What is NSN 5310-01-670-7694?

NSN 5310-01-670-7694 is a Nut,plain,plate, manufactured by Tru-Hitch, Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-670-7694?

NSN 5310-01-670-7694 has 2 cross-referenced part numbers: 00638 (Tru-Hitch, Inc.), 90949A124 (Mcmaster-Carr Supply Co).

What NSN replaces 5310-01-670-7694?

There are 4 known substitutes for 5310-01-670-7694: 5306-00-272-2135, 5340-01-255-6487, 5920-01-433-3388 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 00638?

Key specifications for 00638: Plate Width: 1.750 INCHES NOMINAL IN; Nut Style: PLATE; End Item Identification: 015604409; Thread Series: UNIFIED NATIONAL COARSE (UNC). 11 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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