PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LA-1138Tube Assembly,metal

Pettibone Llc · NSN 4710-00-737-9537 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-00-737-9537 — this item is cataloged by the U.S. Government under National Stock Number 4710-00-737-9537. Primary manufacturer part number: LA-1138.
Features
  • Tube Assembly,metal — FSC 4710
  • Mating End Quantity: 1 SECOND END
  • Mating End Quantity: 1 FIRST END
  • Seat Angle in Deg: 45.0 SECOND END
  • End Connection Style: SWIVEL NUT, INVERTED FLARE SECOND END
  • Design Form: PREBENT
  • Seat Angle in Deg: 37.0 FIRST END
  • Material: STEEL TUBING
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Tubing construction
General Description

The Tube Assembly,metal, cataloged under National Stock Number 4710-00-737-9537, is classified within Federal Supply Class 4710 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Pettibone Llc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4710-00-737-9537
Primary Part NumberLA-1138
Item NameTube Assembly,metal
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerPettibone Llc
StatusACTIVE
Mating End Quantity1 SECOND END
Mating End Quantity1 FIRST END
Seat Angle in Deg45.0 SECOND END
End Connection StyleSWIVEL NUT, INVERTED FLARE SECOND END
Design FormPREBENT
Seat Angle in Deg37.0 FIRST END
MaterialSTEEL TUBING
Thread Series DesignatorUNS SECOND END
FSC Application DataTRUCK,LIFT,FORK
Nominal Thread Size0.438 INCHES FIRST END IN
Tube Outside Diameter0.250 INCHES NOMINAL IN
MaterialCOPPER ALLOY SECOND END
Wall Thickness0.035 INCHES NOMINAL IN
End Connection StyleSWIVEL NUT WITH COMPRESSION SLEEVE FIRST END
Thread Class2A SECOND END A
Thread Class2B FIRST END
MaterialSTEEL FIRST END
Thread DirectionRIGHT-HAND FIRST END
Thread Series DesignatorUNF FIRST END
Thread DirectionRIGHT-HAND SECOND END
Nominal Thread Size0.438 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6920-00-063-5935A27 INTERCHANGEABLE
Target,bull's-Eye
National Target Company, Inc.
3110-00-156-1896 INTERCHANGEABLE
Bearing,ball,thrust
3030-00-160-8285A27 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
1940-00-710-6649A27 INTERCHANGEABLE
Boat,bridge Erection,inboard Eng
Marinette Marine Corporation Dba Marinette Marine Corp
4710-00-737-9534 INTERCHANGEABLE
Tube Assembly,metal
4710-00-737-9590 INTERCHANGEABLE
Tube Assembly,metal
4710-00-737-9684 INTERCHANGEABLE
Tube Assembly,metal
4710-00-737-9862 INTERCHANGEABLE
Tube Assembly,metal
5360-01-121-8215A27 INTERCHANGEABLE
Spring
Ashcroft Inc Dba Heise
5962-01-186-2558A27 INTERCHANGEABLE
Microcircuit,linear
Caes Systems Llc Div Missile Systems Division
Cross-Reference Index
Part NumberManufacturer
LA-1138 Pettibone Llc (USA)
A27 Aeroline Div Imperial-Eastman Div I-T-E Imperial Corp (USA)
0NBA27 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
18LA1138-4 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
7379537 Intrupa Mfg Co (USA)
LA-1138-4 Pettibone Llc (USA)
18LA1138-4 Tvh Parts Co. (USA)
Related Parts
6920-00-063-5935INTERCHANGEABLE
TARGET,BULL'S-EYE
A27
3110-00-156-1896INTERCHANGEABLE
BEARING,BALL,THRUST
3030-00-160-8285INTERCHANGEABLE
BELT,V
A27
1940-00-710-6649INTERCHANGEABLE
BOAT,BRIDGE ERECTION,INBOARD ENG
A27
4710-00-737-9534INTERCHANGEABLE
TUBE ASSEMBLY,METAL
4710-00-737-9590INTERCHANGEABLE
TUBE ASSEMBLY,METAL
4710-00-737-9684INTERCHANGEABLE
TUBE ASSEMBLY,METAL
4710-00-737-9862INTERCHANGEABLE
TUBE ASSEMBLY,METAL
5360-01-121-8215INTERCHANGEABLE
SPRING
A27
5962-01-186-2558INTERCHANGEABLE
MICROCIRCUIT,LINEAR
A27
5365-01-370-2271INTERCHANGEABLE
SHIM SET
A-27
5340-01-550-0498INTERCHANGEABLE
BRACKET,ANGLE
A27

Frequently Asked Questions

What is NSN 4710-00-737-9537?

NSN 4710-00-737-9537 is a Tube Assembly,metal, manufactured by Pettibone Llc, classified under FSC 4710 (No Item Name Available). Status: active.

What are the part numbers for NSN 4710-00-737-9537?

NSN 4710-00-737-9537 has 7 cross-referenced part numbers: LA-1138 (Pettibone Llc), A27 (Aeroline Div Imperial-Eastman Div I-T-E Imperial Corp), 0NBA27 (Lift Parts Mfg Co Inc Div of Echlin Mfg Co the), 18LA1138-4 (Lift Parts Mfg Co Inc Div of Echlin Mfg Co the), 7379537 (Intrupa Mfg Co) and 2 more.

What NSN replaces 4710-00-737-9537?

There are 12 known substitutes for 4710-00-737-9537: 6920-00-063-5935, 3110-00-156-1896, 3030-00-160-8285 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LA-1138?

Key specifications for LA-1138: Mating End Quantity: 1 SECOND END; Mating End Quantity: 1 FIRST END; Seat Angle in Deg: 45.0 SECOND END; End Connection Style: SWIVEL NUT, INVERTED FLARE SECOND END. 21 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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