PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F271-A42-A3Z26Shackle

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 4030-00-385-8523 · FSC 4030 · No Item Name Available
Verified by PartsTable
NSN 4030-00-385-8523 — this item is cataloged by the U.S. Government under National Stock Number 4030-00-385-8523. Primary manufacturer part number: F271-A42-A3Z26.
Features
  • Shackle — FSC 4030
  • End Condition: THREADED
  • Material Diameter: 1.625 INCHES MINIMUM IN
  • Material Document and Classification: ASTM A322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 2ND MATERIAL RESPONSE
  • Material: STEEL OR STEEL COMP 1020
  • Locking Device Type: COTTER PIN AND NUT
  • Style Designator: CHAIN
  • Nondefinitive Spec/std Data: 2 TYPE AND A GRADE AND 3 CLASS
Applications
  • Applications requiring Steel or Steel Comp 1020 construction
General Description

The Shackle, cataloged under National Stock Number 4030-00-385-8523, is classified within Federal Supply Class 4030 (No Item Name Available) of the Rope, Cable, Chain, and Fittings group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4030-00-385-8523
Primary Part NumberF271-A42-A3Z26
Item NameShackle
FSC / FSG4030 / 40 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
End ConditionTHREADED
Material Diameter1.625 INCHES MINIMUM IN
Material Document and ClassificationASTM A322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 2ND MATERIAL RESPONSE
MaterialSTEEL OR STEEL COMP 1020
Locking Device TypeCOTTER PIN AND NUT
Style DesignatorCHAIN
Nondefinitive Spec/std Data2 TYPE AND A GRADE AND 3 CLASS
Breaking Strength39500.0 HARNESS GROUP 1
Surface Treatment Document and ClassificationASTM A153 ASSN STD 1ST TREATMENT RESPONSE OR QQ-Z-325,CL 2 FED SPEC 2ND TREATMENT RESPONSE AND QQ-Z-325,CL 2 FED SPEC 3RD TREATMENT RESPONSE
Inside Length5.000 INCHES MINIMUM AND 5.500 INCHES MAXIMUM IN
Opening Width2.500 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN
Surface TreatmentZINC OR ZINC AND CHROMATE
Closure Head StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4030-00-369-3527 INTERCHANGEABLE
Shackle
4030-00-369-3531 INTERCHANGEABLE
Shackle
4030-00-373-0825 INTERCHANGEABLE
Shackle
4030-00-377-1233 INTERCHANGEABLE
Shackle
4030-00-377-1327 INTERCHANGEABLE
Shackle
4030-01-200-2210 INTERCHANGEABLE
Shackle
4030-01-617-9415 INTERCHANGEABLE
Shackle
3020-01-651-7694RR-C-271, 9.52 DIA TY 1, CL 1 INTERCHANGEABLE
Chain,cable
Lockheed Martin Corporation
Cross-Reference Index
Part NumberManufacturer
F271-A42-A3Z26 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
RR-C-271 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MILS24214 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CL 3, GRD A, TY 2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RR-C-271F Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4030-00-369-3527INTERCHANGEABLE
SHACKLE
4030-00-369-3531INTERCHANGEABLE
SHACKLE
4030-00-373-0825INTERCHANGEABLE
SHACKLE
4030-00-377-1233INTERCHANGEABLE
SHACKLE
4030-00-377-1327INTERCHANGEABLE
SHACKLE
4030-01-200-2210INTERCHANGEABLE
SHACKLE
4030-01-617-9415INTERCHANGEABLE
SHACKLE
3020-01-651-7694INTERCHANGEABLE
CHAIN,CABLE
RR-C-271, 9.52 DIA TY 1, CL 1

Frequently Asked Questions

What is NSN 4030-00-385-8523?

NSN 4030-00-385-8523 is a Shackle, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 4030 (No Item Name Available). Status: active.

What are the part numbers for NSN 4030-00-385-8523?

NSN 4030-00-385-8523 has 5 cross-referenced part numbers: F271-A42-A3Z26 (Federal Specifications Promulgated by General Services Administration Washington DC), RR-C-271 (Federal Specifications Promulgated by General Services Administration Washington DC), MILS24214 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CL 3, GRD A, TY 2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), RR-C-271F (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4030-00-385-8523?

There are 8 known substitutes for 4030-00-385-8523: 4030-00-369-3527, 4030-00-369-3531, 4030-00-373-0825 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F271-A42-A3Z26?

Key specifications for F271-A42-A3Z26: End Condition: THREADED; Material Diameter: 1.625 INCHES MINIMUM IN; Material Document and Classification: ASTM A322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 2ND MATERIAL RESPONSE; Material: STEEL OR STEEL COMP 1020. 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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