PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

01645Nut,plain,hexagon

Defense Logistics Agency Dba Defense Supply Center Philadelphia · NSN 5310-01-044-5156 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-044-5156 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-044-5156. Primary manufacturer part number: 01645.
Features
  • Nut,plain,hexagon — FSC 5310
  • Material: STEEL OVERALL
  • Nut Height: 0.624 INCHES NOMINAL IN
  • Nut Style: HEXAGON
  • Thread Quantity Per Inch: 12
  • Hole Configuration Style: CONFIGURATION A
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Hole Thread Quantity Per Inch: 20
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 5310-01-044-5156, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-044-5156
Primary Part Number01645
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDefense Logistics Agency Dba Defense Supply Center Philadelphia
StatusACTIVE
MaterialSTEEL OVERALL
Nut Height0.624 INCHES NOMINAL IN
Nut StyleHEXAGON
Thread Quantity Per Inch12
Hole Configuration StyleCONFIGURATION A
Bearing Surface TypeCHAMFERED OR WASHER FACED
Hole Thread Quantity Per Inch20
Thread SeriesUNF
Nominal Thread Size1.125 INCHES IN
Hole Nominal Thread Diameter0.250 INCHES IN
Thread DirectionRIGHT-HAND
Hole Type and Quantity1 TAPPED
Thread Class2B
Width Across Flats1.670 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6240-00-143-3153 INTERCHANGEABLE
Lamp,incandescent
5310-00-933-8118355-221-0023 INTERCHANGEABLE
Washer,lock
Meggitt (new Hampshire), Inc
5910-01-134-5107 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Cross-Reference Index
Part NumberManufacturer
49061A Babcock & Wilcox Companies, the Div Sales & Service (USA)
5488EPC33 Babcock & Wilcox Companies, the Div Sales & Service (USA)
106839EPC33 Babcock & Wilcox Companies, the Div Sales & Service (USA)
49061A The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company (USA)
01645 PRIMARY Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
5481E-33 Babcock & Wilcox Companies, the Div Sales & Service (USA)
Related Parts
6240-00-143-3153INTERCHANGEABLE
LAMP,INCANDESCENT
5310-00-933-8118INTERCHANGEABLE
WASHER,LOCK
355-221-0023
5910-01-134-5107INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR

Frequently Asked Questions

What is NSN 5310-01-044-5156?

NSN 5310-01-044-5156 is a Nut,plain,hexagon, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-044-5156?

NSN 5310-01-044-5156 has 6 cross-referenced part numbers: 49061A (Babcock & Wilcox Companies, the Div Sales & Service), 5488EPC33 (Babcock & Wilcox Companies, the Div Sales & Service), 106839EPC33 (Babcock & Wilcox Companies, the Div Sales & Service), 49061A (The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company), 01645 (Defense Logistics Agency Dba Defense Supply Center Philadelphia) and 1 more.

What NSN replaces 5310-01-044-5156?

There are 3 known substitutes for 5310-01-044-5156: 6240-00-143-3153, 5310-00-933-8118, 5910-01-134-5107. Verify interchangeability with system specifications before substitution.

What are the specifications of 01645?

Key specifications for 01645: Material: STEEL OVERALL; Nut Height: 0.624 INCHES NOMINAL IN; Nut Style: HEXAGON; Thread Quantity Per Inch: 12. 14 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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