PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70-8-80Chain Assembly,single Leg

Department of the Air Force · NSN 4010-00-176-7940 · FSC 4010 · No Item Name Available
Verified by PartsTable
NSN 4010-00-176-7940 — this item is cataloged by the U.S. Government under National Stock Number 4010-00-176-7940. Primary manufacturer part number: 70-8-80.
Features
  • Chain Assembly,single Leg — FSC 4010
  • Material Document and Classification: ASTM A575 ASSN STD ALL MATERIAL RESPONSES CHAIN
  • Breaking Strength: 3200.000 HARNESS GROUP 1
  • Material Document and Classification: ASTM A575 ASSN STD ALL MATERIAL RESPONSES ALL ATTACHMENTS
  • Safe Operating Load Rating: 3300.000 POUNDS NOMINAL LBS
  • Style Designator: PROOF COIL
  • End Type: TERMINAL ATTACHMENT BOTH ENDS
  • Attachment Style: SLIP HOOK TERMINAL ATTACHMENT SECOND END
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Chain Assembly,single Leg, cataloged under National Stock Number 4010-00-176-7940, is classified within Federal Supply Class 4010 (No Item Name Available) of the Rope, Cable, Chain, and Fittings group. The primary manufacturer of record is Department of the Air Force. Government technical data includes 17 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4010-00-176-7940
Primary Part Number70-8-80
Item NameChain Assembly,single Leg
FSC / FSG4010 / 40 — No Item Name Available
ManufacturerDepartment of the Air Force
StatusACTIVE
Material Document and ClassificationASTM A575 ASSN STD ALL MATERIAL RESPONSES CHAIN
Breaking Strength3200.000 HARNESS GROUP 1
Material Document and ClassificationASTM A575 ASSN STD ALL MATERIAL RESPONSES ALL ATTACHMENTS
Safe Operating Load Rating3300.000 POUNDS NOMINAL LBS
Style DesignatorPROOF COIL
End TypeTERMINAL ATTACHMENT BOTH ENDS
Attachment StyleSLIP HOOK TERMINAL ATTACHMENT SECOND END
Diameter0.531 INCHES MINIMUM STOCK IN
End TypeTERMINAL ATTACHMENT BOTH ENDS
Diameter0.531 INCHES MINIMUM STOCK IN
Material Document and ClassificationASTM A575 ASSN STD ALL MATERIAL RESPONSES CHAIN
Fabrication MethodCAST OR COLD DRAWN OR FORGED OR FORMED
Style DesignatorPROOF COIL
Attachment StyleSLIP HOOK TERMINAL ATTACHMENT SECOND END
Safe Operating Load Rating3300.000 POUNDS NOMINAL LBS
Material Document and ClassificationASTM A575 ASSN STD ALL MATERIAL RESPONSES ALL ATTACHMENTS
Attachment StyleGRAB HOOK TERMINAL ATTACHMENT FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5310-00-081-929170880 INTERCHANGEABLE
Washer,flat
Cummins Inc.
5985-00-256-8962301708 INTERCHANGEABLE
Antenna Subassembly
Kearfott Corporation Div Guidance and Navigation Division
5310-00-828-0454LD153-0010-0006 INTERCHANGEABLE
Washer,flat
The Boeing Company Div Legacy Am&m
4720-01-195-86914274-44 INTERCHANGEABLE
Hose,preformed
Gates Corporation
4820-01-309-658070880 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4820-01-350-609670880 INTERCHANGEABLE
Parts Kit,valve
T. F. Hudgins, Incorporated Dba Spinner II Products Div
5310-01-583-581270880 INTERCHANGEABLE
Nut,self-Locking,hexagon
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
70-8-80 Department of the Air Force (USA)
RR-C-271 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5310-00-081-9291INTERCHANGEABLE
WASHER,FLAT
70880
5985-00-256-8962INTERCHANGEABLE
ANTENNA SUBASSEMBLY
301708
5310-00-828-0454INTERCHANGEABLE
WASHER,FLAT
LD153-0010-0006
4720-01-195-8691INTERCHANGEABLE
HOSE,PREFORMED
4274-44
4820-01-309-6580INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
70880
4820-01-350-6096INTERCHANGEABLE
PARTS KIT,VALVE
70880
5310-01-583-5812INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
70880

Frequently Asked Questions

What is NSN 4010-00-176-7940?

NSN 4010-00-176-7940 is a Chain Assembly,single Leg, manufactured by Department of the Air Force, classified under FSC 4010 (No Item Name Available). Status: active.

What are the part numbers for NSN 4010-00-176-7940?

NSN 4010-00-176-7940 has 2 cross-referenced part numbers: 70-8-80 (Department of the Air Force), RR-C-271 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 4010-00-176-7940?

There are 7 known substitutes for 4010-00-176-7940: 5310-00-081-9291, 5985-00-256-8962, 5310-00-828-0454 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 70-8-80?

Key specifications for 70-8-80: Material Document and Classification: ASTM A575 ASSN STD ALL MATERIAL RESPONSES CHAIN; Overall Length: 20.000 FEET NOMINAL FT; Breaking Strength: 3200.000 HARNESS GROUP 1; Material Document and Classification: ASTM A575 ASSN STD ALL MATERIAL RESPONSES ALL ATTACHMENTS. 19 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com