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3031F 4IN — BLOCK,TACKLE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3031F 4IN: BLOCK,TACKLE.

The BLOCK,TACKLE is a the manufacturer industrial component. Key specifications include weight: 2.250 POUNDS LBS, block_type: REGULAR, becket_type: SHACKLE, load_rating: 1100.000 POUNDS MAXIMUM LBS, style_designator: DIAMOND PATTERN, end_item_identification: SIGNAL HALYAR. This part is cataloged in the U.S.

Government catalog under NSN 3940-01-652-4305, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
3031F 4IN
NSN: 3940-01-652-4305
FSC: 3940 — Blocks, Tackle, Rigging, and Slings
CAGE: 74999 — JOSLYN CORP (USA)
SPECIFICATIONS
weight2.250 POUNDS LBS
block_typeREGULAR
becket_typeSHACKLE
load_rating1100.000 POUNDS MAXIMUM LBS
sheave_quantity1
style_designatorDIAMOND PATTERN
end_item_identificationSIGNAL HALYAR
sheave_outside_diameter2.250 INCHES NOMINAL IN
tackle_accommodated_typeFIBROUS ROPE
maximum_tackle_diameter_accommodated0.500 INCHES IN
part_name_assigned_by_controlling_agencyBLOCK, WESTERN MANILA ROPE
NSN3940-01-652-4305
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BLOCK,TACKLE TITLE COMPONENT PN 3031F 4IN MFR BLOCK,TACKLE
KEY FEATURES
•
BECKET TYPE: SHACKLE
•
MAXIMUM TACKLE DIAMETER ACCOMMODATED: 0.500 INCHES IN
•
LOAD RATING: 1100.000 POUNDS MAXIMUM LBS
•
SHEAVE OUTSIDE DIAMETER: 2.250 INCHES NOMINAL IN
•
TACKLE ACCOMMODATED TYPE: FIBROUS ROPE
•
BLOCK TYPE: REGULAR
•
STYLE DESIGNATOR: DIAMOND PATTERN
TECHNICAL CHARACTERISTICS
BECKET TYPESHACKLE
MAXIMUM TACKLE DIAMETER ACCOMMODATED0.500 INCHES IN
LOAD RATING1100.000 POUNDS MAXIMUM LBS
SHEAVE OUTSIDE DIAMETER2.250 INCHES NOMINAL IN
TACKLE ACCOMMODATED TYPEFIBROUS ROPE
BLOCK TYPEREGULAR
STYLE DESIGNATORDIAMOND PATTERN
WEIGHT2.250 POUNDS LBS
PART NAME ASSIGNED BY CONTROLLING AGENCYBLOCK, WESTERN MANILA ROPE
END ITEM IDENTIFICATIONSIGNAL HALYAR
OTHER ITEMS IN FSC 3940 — Blocks, Tackle, Rigging, and Slings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3940-00-000-0169 3940-00-003-0706 3940-00-004-3568 3940-00-004-9175 3940-00-005-1366 3940-00-005-1367 3940-00-006-3256 3940-00-007-2801
SUBSTITUTES & CROSS-REFERENCES 2
7230433Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
02069008Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3031F 4IN?
3031F 4IN is a BLOCK,TACKLE.
What parts can replace 3031F 4IN?
There are 2 known substitutes for 3031F 4IN: 7230433, 02069008. Substitute compatibility should be verified for your specific system.
What is the NSN for 3031F 4IN?
3031F 4IN is cataloged in the U.S. Government catalog under NSN 3940-01-652-4305. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.