ST51D12-1 — BLOCK,TACKLE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

ST51D12-1: BLOCK,TACKLE.

The BLOCK,TACKLE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1040 CENTER PIN, block_type: SNATCH, load_rating: 10000.0 POUNDS MAXIMUM LBS, shell_length: 9.890 INCHES NOMINAL IN, style_designator: PULLEY PATTERN, center_pin_diameter: 1.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3940-01-245-7924, 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

ST51D12-1

NSN: 3940-01-245-7924
FSC: 3940 — Blocks, Tackle, Rigging, and Slings
CAGE: 04236 — LOCKHEED MARTIN CORP (USA)

SPECIFICATIONS

material	STEEL COMP 1040 CENTER PIN
block_type	SNATCH
load_rating	10000.0 POUNDS MAXIMUM LBS
shell_length	9.890 INCHES NOMINAL IN
sheave_quantity	2
style_designator	PULLEY PATTERN
center_pin_diameter	1.000 INCHES NOMINAL IN
sheave_outside_diameter	4.130 INCHES NOMINAL IN
tackle_accommodated_type	WIRE ROPE
material_document_and_classification	FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1040 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1040 ASSN STD SINGLE MATERIAL RESPONSE CENTER PIN
maximum_tackle_diameter_accommodated	0.500 INCHES IN
NSN	3940-01-245-7924

COMPONENT DIAGRAM

KEY FEATURES

•

MAXIMUM TACKLE DIAMETER ACCOMMODATED: 0.500 INCHES IN

•

LOAD RATING: 10000.0 POUNDS MAXIMUM LBS

•

SHEAVE OUTSIDE DIAMETER: 4.130 INCHES NOMINAL IN

•

TACKLE ACCOMMODATED TYPE: WIRE ROPE

•

BLOCK TYPE: SNATCH

•

CENTER PIN DIAMETER: 1.000 INCHES NOMINAL IN

•

STYLE DESIGNATOR: PULLEY PATTERN

•

MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1040 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1040 ASSN STD SINGLE MATERIAL RESPONSE CENTER PIN

TECHNICAL CHARACTERISTICS

MAXIMUM TACKLE DIAMETER ACCOMMODATED	0.500 INCHES IN
LOAD RATING	10000.0 POUNDS MAXIMUM LBS
SHEAVE OUTSIDE DIAMETER	4.130 INCHES NOMINAL IN
TACKLE ACCOMMODATED TYPE	WIRE ROPE
BLOCK TYPE	SNATCH
CENTER PIN DIAMETER	1.000 INCHES NOMINAL IN
STYLE DESIGNATOR	PULLEY PATTERN
MATERIAL DOCUMENT AND CLASSIFICATION	FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1040 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1040 ASSN STD SINGLE MATERIAL RESPONSE CENTER PIN
SHELL LENGTH	9.890 INCHES NOMINAL IN
SHEAVE QUANTITY	2

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

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is ST51D12-1?

ST51D12-1 is a BLOCK,TACKLE.

What is the NSN for ST51D12-1?

ST51D12-1 is cataloged in the U.S. Government catalog under NSN 3940-01-245-7924. This indicates validated use in U.S. government and defense supply chains.

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ST51D12-1 — BLOCK,TACKLE

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