PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51508Rod,shouldered

Hydro-Aire Aerospace Corp · NSN 1630-00-764-4377 · FSC 1630 · No Item Name Available
Verified by PartsTable
NSN 1630-00-764-4377 — this item is cataloged by the U.S. Government under National Stock Number 1630-00-764-4377. Primary manufacturer part number: 51508.
Features
  • Rod,shouldered — FSC 1630
  • General Characteristics Item Description: STEEL,CRES; PASSIVATED; 1.320 IN. LG; 0.220 IN. MAJOR OD; 0.120 IN. MINOR 0D IN
  • 2 verified cross-references
  • Primary manufacturer: Hydro-Aire Aerospace Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Rod,shouldered, cataloged under National Stock Number 1630-00-764-4377, is classified within Federal Supply Class 1630 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Government technical data includes 1 verified specification, 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
NSN1630-00-764-4377
Primary Part Number51508
Item NameRod,shouldered
FSC / FSG1630 / 16 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusACTIVE
General Characteristics Item DescriptionSTEEL,CRES; PASSIVATED; 1.320 IN. LG; 0.220 IN. MAJOR OD; 0.120 IN. MINOR 0D IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3020-00-528-126051508 INTERCHANGEABLE
Gear,spur
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
5120-00-781-0819 INTERCHANGEABLE
Pliers,slip Joint
5120-01-428-5117 INTERCHANGEABLE
Hammer,hand
Cross-Reference Index
Part NumberManufacturer
51508 PRIMARY Hydro-Aire Aerospace Corp (USA)
51508 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
Related Parts
3020-00-528-1260INTERCHANGEABLE
GEAR,SPUR
51508
5120-00-781-0819INTERCHANGEABLE
PLIERS,SLIP JOINT
5120-01-428-5117INTERCHANGEABLE
HAMMER,HAND

Frequently Asked Questions

What is NSN 1630-00-764-4377?

NSN 1630-00-764-4377 is a Rod,shouldered, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 1630 (No Item Name Available). Status: active.

What are the part numbers for NSN 1630-00-764-4377?

NSN 1630-00-764-4377 has 2 cross-referenced part numbers: 51508 (Hydro-Aire Aerospace Corp), 51508 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).

What NSN replaces 1630-00-764-4377?

There are 3 known substitutes for 1630-00-764-4377: 3020-00-528-1260, 5120-00-781-0819, 5120-01-428-5117. Verify interchangeability with system specifications before substitution.

What are the specifications of 51508?

Key specifications for 51508: General Characteristics Item Description: STEEL,CRES; PASSIVATED; 1.320 IN. LG; 0.220 IN. MAJOR OD; 0.120 IN. MINOR 0D IN. 1 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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