PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J8912Bolt,machine

Joslyn Corp · NSN 5306-00-638-7810 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-638-7810 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-638-7810. Primary manufacturer part number: J8912.
Features
  • Bolt,machine — FSC 5306
  • Material: STEEL OVERALL
  • Surface Treatment: ZINC OVERALL
  • Head Style: SQUARE
  • Features Provided: UNFINISHED HEAD
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Grip Length: 6.000 INCHES NOMINAL IN
  • Thread Length: 6.000 INCHES MINIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-638-7810, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Joslyn Corp. Government technical data includes 14 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-638-7810
Primary Part NumberJ8912
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerJoslyn Corp
StatusACTIVE
MaterialSTEEL OVERALL
Surface TreatmentZINC OVERALL
Head StyleSQUARE
Features ProvidedUNFINISHED HEAD
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Grip Length6.000 INCHES NOMINAL IN
Thread Length6.000 INCHES MINIMUM IN
Width Between Flats1.125 INCHES NOMINAL IN
Thread Class2A A
Head Height0.500 INCHES NOMINAL IN
Thread Quantity Per Inch10
Fastener Length12.000 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.750 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5120-00-056-39435120-00-056-3943 INTERCHANGEABLE
Blade,nutdriver
General Services Administration Federal Supply Service
4810-00-175-88309912 INTERCHANGEABLE
Seat,valve
Northrop Grumman Systems Corporation Div Marine Systems
5330-00-250-5753 INTERCHANGEABLE
Seal,plain Encased
6625-00-389-4498M9720936 INTERCHANGEABLE
Meter
General Electric Company
5120-00-402-9621J-8912 INTERCHANGEABLE
Jaws,injector Vise
Bosch Automotive Service Solutions Inc.
6625-00-762-0361 INTERCHANGEABLE
Test Set,electrical Meter
5120-01-602-8329 INTERCHANGEABLE
Wrench,box and Open End,combinat
Cross-Reference Index
Part NumberManufacturer
J8912 PRIMARY Joslyn Corp (USA)
9912 Hubbard and Company (USA)
Related Parts
5120-00-056-3943INTERCHANGEABLE
BLADE,NUTDRIVER
5120-00-056-3943
4810-00-175-8830INTERCHANGEABLE
SEAT,VALVE
9912
5330-00-250-5753INTERCHANGEABLE
SEAL,PLAIN ENCASED
6625-00-389-4498INTERCHANGEABLE
METER
M9720936
5120-00-402-9621INTERCHANGEABLE
JAWS,INJECTOR VISE
J-8912
6625-00-762-0361INTERCHANGEABLE
TEST SET,ELECTRICAL METER
5120-01-602-8329INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT

Frequently Asked Questions

What is NSN 5306-00-638-7810?

NSN 5306-00-638-7810 is a Bolt,machine, manufactured by Joslyn Corp, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-638-7810?

NSN 5306-00-638-7810 has 2 cross-referenced part numbers: J8912 (Joslyn Corp), 9912 (Hubbard and Company).

What NSN replaces 5306-00-638-7810?

There are 7 known substitutes for 5306-00-638-7810: 5120-00-056-3943, 4810-00-175-8830, 5330-00-250-5753 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J8912?

Key specifications for J8912: Material: STEEL OVERALL; Surface Treatment: ZINC OVERALL; Head Style: SQUARE; Features Provided: UNFINISHED HEAD. 15 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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