PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56124Bolt,machine

Kleinschmidt Inc · NSN 5306-00-600-3058 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-600-3058 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-600-3058. Primary manufacturer part number: 56124.
Features
  • Bolt,machine — FSC 5306
  • Material Document and Classification: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Thread Series Designator: UNF
  • Surface Treatment: PHOSPHATE OVERALL
  • Width Between Flats: 0.372 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
  • Fastener Length: 0.344 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 32
  • Thread Length: 0.282 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1213 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-600-3058, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kleinschmidt Inc. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-600-3058
Primary Part Number56124
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerKleinschmidt Inc
StatusACTIVE
Material Document and ClassificationQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Series DesignatorUNF
Surface TreatmentPHOSPHATE OVERALL
Width Between Flats0.372 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
Fastener Length0.344 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Thread Length0.282 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
Nominal Thread Diameter0.190 INCHES IN
Thread DirectionRIGHT-HAND
Head StyleHEXAGON
Thread Class2A A
Features ProvidedCASEHARDENED AND FINISHED HEAD
Head Height0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
MaterialSTEEL COMP 1213 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5331-00-113-3804 INTERCHANGEABLE
O-Ring
5905-00-407-2548138C211H04 INTERCHANGEABLE
Resistor Network,fixed,film
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5950-01-022-044656-124 INTERCHANGEABLE
Transformer,pulse
General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations
Cross-Reference Index
Part NumberManufacturer
56124 Kleinschmidt Inc (USA)
SMB196656 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
5331-00-113-3804INTERCHANGEABLE
O-RING
5905-00-407-2548INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
138C211H04
5950-01-022-0446INTERCHANGEABLE
TRANSFORMER,PULSE
56-124

Frequently Asked Questions

What is NSN 5306-00-600-3058?

NSN 5306-00-600-3058 is a Bolt,machine, manufactured by Kleinschmidt Inc, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-600-3058?

NSN 5306-00-600-3058 has 2 cross-referenced part numbers: 56124 (Kleinschmidt Inc), SMB196656 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5306-00-600-3058?

There are 3 known substitutes for 5306-00-600-3058: 5331-00-113-3804, 5905-00-407-2548, 5950-01-022-0446. Verify interchangeability with system specifications before substitution.

What are the specifications of 56124?

Key specifications for 56124: Material Document and Classification: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Series Designator: UNF; Surface Treatment: PHOSPHATE OVERALL; Width Between Flats: 0.372 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN. 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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