PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8764823Locknut,pipe

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 4730-00-832-5670 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-832-5670 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-832-5670. Primary manufacturer part number: 8764823.
Features
  • Locknut,pipe — FSC 4730
  • Nut Style: PIPE LOCKNUT
  • Surface Treatment: CADMIUM OVERALL
  • Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material Document and Classification: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL OVERALL
  • Nominal Thread Size: 0.125 INCHES IN
  • Thread Class: 2B
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Locknut,pipe, cataloged under National Stock Number 4730-00-832-5670, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-832-5670
Primary Part Number8764823
Item NameLocknut,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Nut StylePIPE LOCKNUT
Surface TreatmentCADMIUM OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Material Document and ClassificationQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Nominal Thread Size0.125 INCHES IN
Thread Class2B
Packing Recess Diameter0.500 INCHES NOMINAL IN
Width Across Flats0.625 INCHES NOMINAL IN
Thread SeriesNPT
Thread Quantity Per Inch27
Nut Height0.156 INCHES NOMINAL IN
Packing Recess Depth0.010 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-531-5499 INTERCHANGEABLE
Locknut,pipe
4730-00-670-6031350-TSE01-25 INTERCHANGEABLE
Seal Nut,pipe
Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division
4730-00-670-6033 INTERCHANGEABLE
Seal Nut,pipe
4730-00-678-6165350-TSE01-38 INTERCHANGEABLE
Locknut,pipe
Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division
4730-00-813-72622600Z-1 INTERCHANGEABLE
Seal Nut,pipe
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
Cross-Reference Index
Part NumberManufacturer
8764823 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
B122-2D-2 Parker-Hannifin Corporation Div Cylinder Division (USA)
4730008325670 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
Related Parts
4730-00-531-5499INTERCHANGEABLE
LOCKNUT,PIPE
4730-00-670-6031INTERCHANGEABLE
SEAL NUT,PIPE
350-TSE01-25
4730-00-670-6033INTERCHANGEABLE
SEAL NUT,PIPE
4730-00-678-6165INTERCHANGEABLE
LOCKNUT,PIPE
350-TSE01-38
4730-00-813-7262INTERCHANGEABLE
SEAL NUT,PIPE
2600Z-1

Frequently Asked Questions

What is NSN 4730-00-832-5670?

NSN 4730-00-832-5670 is a Locknut,pipe, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-832-5670?

NSN 4730-00-832-5670 has 3 cross-referenced part numbers: 8764823 (U S Army Tank Automotive Command Amsta-Im-Mm), B122-2D-2 (Parker-Hannifin Corporation Div Cylinder Division), 4730008325670 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee).

What NSN replaces 4730-00-832-5670?

There are 5 known substitutes for 4730-00-832-5670: 4730-00-531-5499, 4730-00-670-6031, 4730-00-670-6033 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8764823?

Key specifications for 8764823: Nut Style: PIPE LOCKNUT; Surface Treatment: CADMIUM OVERALL; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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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