PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1774Spring,helical,extension

Fwd Seagrave Holdings Lp · NSN 5360-00-352-6438 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-352-6438 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-352-6438. Primary manufacturer part number: 1774.
Features
  • Spring,helical,extension — FSC 5360
  • Hook Radius: 0.125 INCHES NOMINAL BOTH ENDS IN
  • Spring Free Outside Diameter: 0.624 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL
  • Spring Free Length: 5.754 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • End Style: DOBBY HOOK BOTH ENDS
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,extension, cataloged under National Stock Number 5360-00-352-6438, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fwd Seagrave Holdings Lp. Government technical data includes 11 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-352-6438
Primary Part Number1774
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerFwd Seagrave Holdings Lp
StatusACTIVE
Hook Radius0.125 INCHES NOMINAL BOTH ENDS IN
Spring Free Outside Diameter0.624 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Spring Free Length5.754 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
End StyleDOBBY HOOK BOTH ENDS
Coil to Hook Inside Length0.562 INCHES NOMINAL FIRST END IN
Inside Diameter0.500 INCHES NOMINAL IN
Design TypeCLOSED
Coil to Hook Inside Length2.312 INCHES NOMINAL SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-142-160532141 INTERCHANGEABLE
Cock,drain
Parker Hannifin Corporation Div Aerospace Group Headquarters
5940-00-155-717357A5A228-1 INTERCHANGEABLE
Terminal Board
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3455-00-320-9827 INTERCHANGEABLE
Cutter,milling,end
4820-00-609-74362348 INTERCHANGEABLE
Piston,valve
Imi Cash Valve Inc
5330-00-631-60683-2141 INTERCHANGEABLE
Seal,oil Cooler Shu
Arrowhead Products Corp
3020-00-941-59981774 INTERCHANGEABLE
Gear Cluster
L3harris Technologies, Inc. Div Space and Airborne Systems
5935-01-045-7671WTDX10SJT INTERCHANGEABLE
Connector Body,plug,electrical
Airborn Interconnect, Llc
5360-01-120-299632141 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5930-01-215-708942519 INTERCHANGEABLE
Switch,pressure
Eaton Corp Information Management Systems Div Microwave Components
5905-01-243-3631325-0331-00 INTERCHANGEABLE
Resistor Set,matched
Tektronix, Inc.
Cross-Reference Index
Part NumberManufacturer
32141 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
1774 PRIMARY Fwd Seagrave Holdings Lp (USA)
Related Parts
4820-00-142-1605INTERCHANGEABLE
COCK,DRAIN
32141
5940-00-155-7173INTERCHANGEABLE
TERMINAL BOARD
57A5A228-1
3455-00-320-9827INTERCHANGEABLE
CUTTER,MILLING,END
4820-00-609-7436INTERCHANGEABLE
PISTON,VALVE
2348
5330-00-631-6068INTERCHANGEABLE
SEAL,OIL COOLER SHU
3-2141
3020-00-941-5998INTERCHANGEABLE
GEAR CLUSTER
1774
5935-01-045-7671INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL
WTDX10SJT
5360-01-120-2996INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
32141
5930-01-215-7089INTERCHANGEABLE
SWITCH,PRESSURE
42519
5905-01-243-3631INTERCHANGEABLE
RESISTOR SET,MATCHED
325-0331-00
5905-01-293-3860INTERCHANGEABLE
RESISTOR,FIXED,FILM
12-01774-1A
4730-01-325-0720INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
51774

Frequently Asked Questions

What is NSN 5360-00-352-6438?

NSN 5360-00-352-6438 is a Spring,helical,extension, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-352-6438?

NSN 5360-00-352-6438 has 2 cross-referenced part numbers: 32141 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), 1774 (Fwd Seagrave Holdings Lp).

What NSN replaces 5360-00-352-6438?

There are 12 known substitutes for 5360-00-352-6438: 4820-00-142-1605, 5940-00-155-7173, 3455-00-320-9827 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1774?

Key specifications for 1774: Hook Radius: 0.125 INCHES NOMINAL BOTH ENDS IN; Spring Free Outside Diameter: 0.624 INCHES NOMINAL IN; Style Designator: CYLINDRICAL; Spring Free Length: 5.754 INCHES NOMINAL IN. 11 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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