PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-1.102Screw,cap,hexagon Head

General Motors Llc Dba General Motors Llc · NSN 5305-01-122-0254 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-122-0254 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-122-0254. Primary manufacturer part number: B-1.102.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Width Between Flats: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Diameter: 0.312 INCHES IN
  • Material: STEEL OVERALL
  • Head Style: HEXAGON
  • Thread Direction: RIGHT-HAND
  • Material Document and Classification: G-4435-M,CAGE 24617 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-122-0254, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 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
NSN5305-01-122-0254
Primary Part NumberB-1.102
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusACTIVE
Width Between Flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.312 INCHES IN
MaterialSTEEL OVERALL
Head StyleHEXAGON
Thread DirectionRIGHT-HAND
Material Document and ClassificationG-4435-M,CAGE 24617 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Thread Quantity Per Inch18
Fastener Length4.250 INCHES NOMINAL IN
Thread Class2A A
Thread Length0.775 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
Head Height0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4460-00-132-5071MODEL300SM INTERCHANGEABLE
Sensor
Thermo Measuretech
2530-00-496-2604278303 INTERCHANGEABLE
Adjuster,slack,brake
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
6685-00-527-7262 INTERCHANGEABLE
Manometer,u-Tube
6685-00-536-9243 INTERCHANGEABLE
Manometer,u-Tube
4510-00-540-1317301LF INTERCHANGEABLE
Faucet,single
Champion Irrigation Llc
6685-00-566-867310AA25TM-50 INTERCHANGEABLE
Manometer,u-Tube
Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument
6685-00-601-598210AA25WM6 SCALE A INTERCHANGEABLE
Manometer,u-Tube
Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument
4820-00-753-0139 INTERCHANGEABLE
Valve,ball
6685-00-813-5527ZS10AA25WM15 INTERCHANGEABLE
Manometer,u-Tube
Western/scott Fetzer Company
6685-00-848-635310AA25WM20 INTERCHANGEABLE
No Item Name Available
Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument
Cross-Reference Index
Part NumberManufacturer
B-1.102 General Motors Llc Dba General Motors Llc (USA)
B-1.102 General Motors Corp (USA)
B-1.104 General Motors Corp (USA)
B-1.104 General Motors Llc Dba General Motors Llc (USA)
B-1.103 General Motors Corp (USA)
186273 General Motors Corp (USA)
B-1.101 General Motors Corp (USA)
B-1.101 General Motors Llc Dba General Motors Llc (USA)
186273 General Motors Llc Dba General Motors Llc (USA)
B-1.103 General Motors Llc Dba General Motors Llc (USA)
Related Parts
4460-00-132-5071INTERCHANGEABLE
SENSOR
MODEL300SM
2530-00-496-2604INTERCHANGEABLE
ADJUSTER,SLACK,BRAKE
278303
6685-00-527-7262INTERCHANGEABLE
MANOMETER,U-TUBE
6685-00-536-9243INTERCHANGEABLE
MANOMETER,U-TUBE
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10AA25WM6 SCALE A
4820-00-753-0139INTERCHANGEABLE
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6685-00-813-5527INTERCHANGEABLE
MANOMETER,U-TUBE
ZS10AA25WM15
6685-00-848-6353INTERCHANGEABLE
NO ITEM NAME AVAILABLE
10AA25WM20
5330-01-467-8740INTERCHANGEABLE
GASKET
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6110-01-530-3859INTERCHANGEABLE
PANEL,CONTROL,ELECTRICAL-ELECTRO
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Frequently Asked Questions

What is NSN 5305-01-122-0254?

NSN 5305-01-122-0254 is a Screw,cap,hexagon Head, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-122-0254?

NSN 5305-01-122-0254 has 10 cross-referenced part numbers: B-1.102 (General Motors Llc Dba General Motors Llc), B-1.102 (General Motors Corp), B-1.104 (General Motors Corp), B-1.104 (General Motors Llc Dba General Motors Llc), B-1.103 (General Motors Corp) and 5 more.

What NSN replaces 5305-01-122-0254?

There are 12 known substitutes for 5305-01-122-0254: 4460-00-132-5071, 2530-00-496-2604, 6685-00-527-7262 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B-1.102?

Key specifications for B-1.102: Width Between Flats: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Diameter: 0.312 INCHES IN; Material: STEEL OVERALL. 12 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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