PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B18-2-2Nut,plain,slotted,hexagon

American National Standards Institute Incorporated Dba American National Standards Institute · NSN 5310-00-063-1275 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-063-1275 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-063-1275. Primary manufacturer part number: B18-2-2.
Features
  • Nut,plain,slotted,hexagon — FSC 5310
  • Thread Class: 2B
  • Thread Series: UNF
  • Bearing Surface Type: CHAMFERED
  • Nominal Thread Size: 0.375 INCHES IN
  • Thread Quantity Per Inch: 24
  • Width Across Flats: 0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
  • Specification/standard Data: 80204-18.2.2-65 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,slotted,hexagon, cataloged under National Stock Number 5310-00-063-1275, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American National Standards Institute Incorporated Dba American National Standards Institute. Government technical data includes 11 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-063-1275
Primary Part NumberB18-2-2
Item NameNut,plain,slotted,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAmerican National Standards Institute Incorporated Dba American National Standards Institute
StatusACTIVE
Thread Class2B
Thread SeriesUNF
Bearing Surface TypeCHAMFERED
Nominal Thread Size0.375 INCHES IN
Thread Quantity Per Inch24
Width Across Flats0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
Specification/standard Data80204-18.2.2-65 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Thread DirectionRIGHT-HAND
Nut Height0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN
Nut StyleSLOTTED, HEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5210-00-229-304536-24 INTERCHANGEABLE
Caliper,outside
L.s. Starrett Company (the) Div Tool Division
4820-00-763-3322382-4 INTERCHANGEABLE
Valve,globe
Admiral Valve Llc Dba Cpv Manufacturing
2530-01-252-4872 INTERCHANGEABLE
Ring,side,automotive Wheel
6515-01-317-71113824 INTERCHANGEABLE
Bag,ostomy
Hollister Inc
5210-01-365-00833824 INTERCHANGEABLE
Level and Plumb
Johnson Level and Tool Mfg Co Inc
5340-01-668-6748RAM-B-108B INTERCHANGEABLE
Bracket,mounting
National Products, Inc. Dba N P I
Cross-Reference Index
Part NumberManufacturer
B18-2-2 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
3-8-24 Gage Co the (USA)
Related Parts
5210-00-229-3045INTERCHANGEABLE
CALIPER,OUTSIDE
36-24
4820-00-763-3322INTERCHANGEABLE
VALVE,GLOBE
382-4
2530-01-252-4872INTERCHANGEABLE
RING,SIDE,AUTOMOTIVE WHEEL
6515-01-317-7111INTERCHANGEABLE
BAG,OSTOMY
3824
5210-01-365-0083INTERCHANGEABLE
LEVEL AND PLUMB
3824
5340-01-668-6748INTERCHANGEABLE
BRACKET,MOUNTING
RAM-B-108B

Frequently Asked Questions

What is NSN 5310-00-063-1275?

NSN 5310-00-063-1275 is a Nut,plain,slotted,hexagon, manufactured by American National Standards Institute Incorporated Dba American National Standards Institute, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-063-1275?

NSN 5310-00-063-1275 has 2 cross-referenced part numbers: B18-2-2 (American National Standards Institute Incorporated Dba American National Standards Institute), 3-8-24 (Gage Co the).

What NSN replaces 5310-00-063-1275?

There are 6 known substitutes for 5310-00-063-1275: 5210-00-229-3045, 4820-00-763-3322, 2530-01-252-4872 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B18-2-2?

Key specifications for B18-2-2: Thread Class: 2B; Thread Series: UNF; Bearing Surface Type: CHAMFERED; Nominal Thread Size: 0.375 INCHES IN. 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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