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7750A — BLOCK,TACKLE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

7750A: BLOCK,TACKLE.

The BLOCK,TACKLE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, block_type: REGULAR, load_rating: 20000.0 POUNDS MAXIMUM LBS, special_features: HEAVY DUTY PULLEY BLOCK, style_designator: FIDDLE PATTERN, end_item_identification: TRUCK,M-915 SERIES,M-916A1 (LET). This part is cataloged in the U.S.

Government catalog under NSN 6220-00-295-2156, 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
7750A
NSN: 6220-00-295-2156
NIINs: 002952156, 015022517
FSC: 6220 — Electric Vehicular Lights and Fixtures
CAGE: 44185 — TLD WOLLARD LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
block_typeREGULAR
load_rating20000.0 POUNDS MAXIMUM LBS
special_featuresHEAVY DUTY PULLEY BLOCK
style_designatorFIDDLE PATTERN
end_item_identificationTRUCK,M-915 SERIES,M-916A1 (LET)
NSN6220-00-295-2156
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BLOCK,TACKLE TITLE COMPONENT PN 7750A MFR BLOCK,TACKLE
KEY FEATURES
•
LENS COLOR: COLORLESS
•
OVERALL DIAMETER: 6.187 INCHES NOMINAL IN
•
MOUNTING METHOD: STUD(S)
•
WIRING PROVISION LENGTH: 24.0 INCHES NOMINAL SECOND PROVISION IN
•
WIRING PROVISION METHOD: INDIVIDUAL WIRE
•
LENS TRANSPARENCY: TRANSPARENT
TECHNICAL CHARACTERISTICS
LENS COLORCOLORLESS
OVERALL DIAMETER6.187 INCHES NOMINAL IN
MOUNTING METHODSTUD(S)
OVERALL LENGTH4.437 INCHES NOMINAL IN
WIRING PROVISION LENGTH24.0 INCHES NOMINAL SECOND PROVISION IN
WIRING PROVISION LENGTH3.0 INCHES NOMINAL FIRST PROVISION IN
WIRING PROVISION METHODINDIVIDUAL WIRE
LENS TRANSPARENCYTRANSPARENT
SPECIAL FEATURES1-7/16-20 MTG STUD,1-3/8 IN. LG; UNIVERSAL MTG IN
SURFACE TREATMENTENAMEL BODY
SUBSTITUTES & CROSS-REFERENCES 8
KD866TReference document
Same NSN cross-reference
Reference document — Design control — primary reference
D-506Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
SD866CLEARReference document
Same NSN cross-reference
Reference document — Secondary reference
KDSD866CLEARReference document
Same NSN cross-reference
Reference document — Secondary reference
KDSD866C12Reference document
Same NSN cross-reference
Reference document — Secondary reference
866C12Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7750A?
7750A is a BLOCK,TACKLE.
What parts can replace 7750A?
There are 8 known substitutes for 7750A: KD866T, D-506, SD866CLEAR and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7750A?
7750A is cataloged in the U.S. Government catalog under NSN 6220-00-295-2156. 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.