PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

01777Spring,helical,extension

New Haven Mfg Corp · NSN 5360-00-737-1188 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-737-1188 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-737-1188. Primary manufacturer part number: 01777.
Features
  • Spring,helical,extension — FSC 5360
  • Design Type: OPEN
  • Load Rating: 25.00 POUNDS NOMINAL LBS
  • Surface Treatment: PASSIVATE OVERALL
  • Material: STEEL OVERALL
  • Material Document and Classification: QQ-W-423,FORM 1,COND B FED SPEC ALL MATERIAL RESPONSES OVERALL
  • Spring Free Length: 0.708 INCHES NOMINAL IN
  • Spring Length Under Load: 0.875 INCHES NOMINAL IN
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 5360-00-737-1188, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is New Haven Mfg Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5360-00-737-1188
Primary Part Number01777
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerNew Haven Mfg Corp
StatusACTIVE
Design TypeOPEN
Load Rating25.00 POUNDS NOMINAL LBS
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL OVERALL
Material Document and ClassificationQQ-W-423,FORM 1,COND B FED SPEC ALL MATERIAL RESPONSES OVERALL
Spring Free Length0.708 INCHES NOMINAL IN
Spring Length Under Load0.875 INCHES NOMINAL IN
Inside Diameter0.073 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Spring Deflection Rate1.375 POUNDS PER INCH NOMINAL LBS
Surface Treatment Document and ClassificationSTD 05-01-03,CAGE 26344 MFR REF SINGLE TREATMENT RESPONSE OVERALL
Spring Free Outside Diameter0.093 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-106-7243177-7 INTERCHANGEABLE
Valve,safety Relief
Zf Off-Highway Solutions Minnesota Inc
3431-00-226-6992105Z61 INTERCHANGEABLE
Cup,welding Torch
Esab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng
6150-00-231-368917176 INTERCHANGEABLE
Cable Assembly,power,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
6145-00-336-82578106900 INTERCHANGEABLE
Cable,special Purpose,electrical
Us Army Aviation and Missile Command
2915-00-535-3213 INTERCHANGEABLE
Spring,relief Valve
3020-00-909-83201777 INTERCHANGEABLE
Gear Sector,bevel
Aerosonic Llc
6240-00-941-270187-0680 INTERCHANGEABLE
Lamp,incandescent
Finnigan Corporation
5360-01-144-8784000.239.1777 INTERCHANGEABLE
Spring,helical,compression
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
5342-01-173-3361170-77 INTERCHANGEABLE
Insert,screw
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
6145-01-201-953501777 INTERCHANGEABLE
Wire,electrical
General Cable Corporation Div Corporate
Cross-Reference Index
Part NumberManufacturer
01777 New Haven Mfg Corp (USA)
1777 New Haven Mfg Corp (USA)
Related Parts
4820-00-106-7243INTERCHANGEABLE
VALVE,SAFETY RELIEF
177-7
3431-00-226-6992INTERCHANGEABLE
CUP,WELDING TORCH
105Z61
6150-00-231-3689INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
17176
6145-00-336-8257INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
8106900
2915-00-535-3213INTERCHANGEABLE
SPRING,RELIEF VALVE
3020-00-909-8320INTERCHANGEABLE
GEAR SECTOR,BEVEL
1777
6240-00-941-2701INTERCHANGEABLE
LAMP,INCANDESCENT
87-0680
5360-01-144-8784INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
000.239.1777
5342-01-173-3361INTERCHANGEABLE
INSERT,SCREW
170-77
6145-01-201-9535INTERCHANGEABLE
WIRE,ELECTRICAL
01777
5999-01-341-3110INTERCHANGEABLE
HEAT SINK-INSULATOR
5999-01-394-0099INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
1777

Frequently Asked Questions

What is NSN 5360-00-737-1188?

NSN 5360-00-737-1188 is a Spring,helical,extension, manufactured by New Haven Mfg Corp, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-737-1188?

NSN 5360-00-737-1188 has 2 cross-referenced part numbers: 01777 (New Haven Mfg Corp), 1777 (New Haven Mfg Corp).

What NSN replaces 5360-00-737-1188?

There are 12 known substitutes for 5360-00-737-1188: 4820-00-106-7243, 3431-00-226-6992, 6150-00-231-3689 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 01777?

Key specifications for 01777: Design Type: OPEN; Load Rating: 25.00 POUNDS NOMINAL LBS; Surface Treatment: PASSIVATE OVERALL; Material: STEEL OVERALL. 13 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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