PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

29973Coupling,tube

Williams International Co., L.l.c. · NSN 4730-01-130-4356 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-130-4356 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-130-4356. Primary manufacturer part number: 29973.
Features
  • Coupling,tube — FSC 4730
  • Connection Style: PLAIN (TUBE) FIRST END
  • Nominal Overall Length: 1.110 INCHES IN
  • Material: STEEL COMP 321 OR STEEL COMP 347 OVERALL
  • 2 verified cross-references
  • Primary manufacturer: Williams International Co., L.l.c.
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 321 or Steel Comp 347 Overall construction
General Description

The Coupling,tube, cataloged under National Stock Number 4730-01-130-4356, 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 Williams International Co., L.l.c.. Government technical data includes 3 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-130-4356
Primary Part Number29973
Item NameCoupling,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerWilliams International Co., L.l.c.
StatusACTIVE
Connection StylePLAIN (TUBE) FIRST END
Nominal Overall Length1.110 INCHES IN
MaterialSTEEL COMP 321 OR STEEL COMP 347 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4820-00-781-7820 INTERCHANGEABLE
Valve,stop-Lift-Check
5340-01-011-368229973 INTERCHANGEABLE
Lever,manual Control
Mid-America Aerotech, Llc
4820-01-151-401929973 PIECE 3,1 1-2IN INTERCHANGEABLE
Disk,valve
Crane Co Div Valve Div
5342-01-436-76418073-1 INTERCHANGEABLE
Bellows,protection
Advanced Ground Systems Engineering Llc Div Advanced Ground Systems Engineering
3460-01-631-814629973 INTERCHANGEABLE
Wheel,abrasive
Ridge Tool Company
4810-01-649-699829973 INTERCHANGEABLE
Valve,diaphragm,stop
Generac Mobile Products, Llc
Cross-Reference Index
Part NumberManufacturer
29973 PRIMARY Williams International Co., L.l.c. (USA)
29973 Mentis Sciences Inc (USA)
Related Parts
4820-00-781-7820INTERCHANGEABLE
VALVE,STOP-LIFT-CHECK
5340-01-011-3682INTERCHANGEABLE
LEVER,MANUAL CONTROL
29973
4820-01-151-4019INTERCHANGEABLE
DISK,VALVE
29973 PIECE 3,1 1-2IN
5342-01-436-7641INTERCHANGEABLE
BELLOWS,PROTECTION
8073-1
3460-01-631-8146INTERCHANGEABLE
WHEEL,ABRASIVE
29973
4810-01-649-6998INTERCHANGEABLE
VALVE,DIAPHRAGM,STOP
29973

Frequently Asked Questions

What is NSN 4730-01-130-4356?

NSN 4730-01-130-4356 is a Coupling,tube, manufactured by Williams International Co., L.l.c., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-130-4356?

NSN 4730-01-130-4356 has 2 cross-referenced part numbers: 29973 (Williams International Co., L.l.c.), 29973 (Mentis Sciences Inc).

What NSN replaces 4730-01-130-4356?

There are 6 known substitutes for 4730-01-130-4356: 4820-00-781-7820, 5340-01-011-3682, 4820-01-151-4019 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 29973?

Key specifications for 29973: Special Features: RAISED AREA 0.300 WIDE AND 0.092 HIGH NEAR ONE END; Connection Style: PLAIN (TUBE) FIRST END; Nominal Overall Length: 1.110 INCHES IN; Material: STEEL COMP 321 OR STEEL COMP 347 OVERALL. 4 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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