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 5310-00-063-1276 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-063-1276 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-063-1276. Primary manufacturer part number: B18-2-2.
Features
  • Nut,plain,slotted,hexagon — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Size: 0.250 INCHES IN
  • Bearing Surface Type: CHAMFERED
  • Thread Quantity Per Inch: 28
  • Thread Series: UNF
  • Nut Height: 0.212 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
  • Width Across Flats: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
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 5310-00-063-1276, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-063-1276
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 DirectionRIGHT-HAND
Nominal Thread Size0.250 INCHES IN
Bearing Surface TypeCHAMFERED
Thread Quantity Per Inch28
Thread SeriesUNF
Nut Height0.212 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
Width Across Flats0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Specification/standard Data80204-18.2.2-65 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nut StyleSLOTTED, HEXAGON
Thread Class2B
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-144-2089DWG5120-00-144-2089 INTERCHANGEABLE
Chuck,stud
General Services Administration Federal Supply Service
3020-00-196-48701428 INTERCHANGEABLE
Gear,spur
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
2530-00-213-0557391178C92 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Navistar Intl Corp Truck Br Ohio Plant
4940-00-223-897353025 INTERCHANGEABLE
Gun,air Blow
Bowes Mfg Inc
5325-00-263-6648 INTERCHANGEABLE
Grommet,nonmetallic
4820-00-268-87731787 SZ 4 IN INTERCHANGEABLE
Valve,gate
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
2915-00-484-8168P61144-1 INTERCHANGEABLE
Pin-Mi,ture Control
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
4820-00-640-6573 INTERCHANGEABLE
Valve,gate
5120-00-725-6981BF603B INTERCHANGEABLE
Hammer,hand
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
6625-00-925-3924 INTERCHANGEABLE
Ammeter
Cross-Reference Index
Part NumberManufacturer
B18-2-2 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
1-4-28 Gage Co the (USA)
Related Parts
5120-00-144-2089INTERCHANGEABLE
CHUCK,STUD
DWG5120-00-144-2089
3020-00-196-4870INTERCHANGEABLE
GEAR,SPUR
1428
2530-00-213-0557INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
391178C92
4940-00-223-8973INTERCHANGEABLE
GUN,AIR BLOW
53025
5325-00-263-6648INTERCHANGEABLE
GROMMET,NONMETALLIC
4820-00-268-8773INTERCHANGEABLE
VALVE,GATE
1787 SZ 4 IN
2915-00-484-8168INTERCHANGEABLE
PIN-MI,TURE CONTROL
P61144-1
4820-00-640-6573INTERCHANGEABLE
VALVE,GATE
5120-00-725-6981INTERCHANGEABLE
HAMMER,HAND
BF603B
6625-00-925-3924INTERCHANGEABLE
AMMETER
5940-00-964-1217INTERCHANGEABLE
TERMINAL,STUD
10688452-2
5310-01-104-1079INTERCHANGEABLE
NUT,PLAIN,CAP
A33006

Frequently Asked Questions

What is NSN 5310-00-063-1276?

NSN 5310-00-063-1276 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 5310-00-063-1276?

NSN 5310-00-063-1276 has 2 cross-referenced part numbers: B18-2-2 (American National Standards Institute Incorporated Dba American National Standards Institute), 1-4-28 (Gage Co the).

What NSN replaces 5310-00-063-1276?

There are 12 known substitutes for 5310-00-063-1276: 5120-00-144-2089, 3020-00-196-4870, 2530-00-213-0557 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B18-2-2?

Key specifications for B18-2-2: Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.250 INCHES IN; Bearing Surface Type: CHAMFERED; Thread Quantity Per Inch: 28. 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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