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179238 — BLOCK,TACKLE

✓ Government record, cited
Hama · ORING SEAL
PRODUCT OVERVIEW

179238: BLOCK,TACKLE.

24K gold-plated metal plug Robust, 24K gold-plated metal plug with the best shielding for optimal signal transmission Kink protection and fabric jacket Optimized kink protection and flexible fabric jacket prevent cable breakage Elastic TPE material Easy to lay thanks to the elastic, environment-friendly TPE material Removable ferrite core Removable ferrite core for more flexibility when mounting the cable and for decimating remaining interference Quadruple shielding Screening rate of 120 decibels thanks to quadruple shielding (two layers each of extremely dense braiding + shielding foil) for protection from electromagnetic interference Excellent picture and sound quality High-quality materials and shielded lines for excellent picture and sound quality without interference This part is cataloged in the U.S. Government catalog under NSN 5340-00-757-3100, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
179238
NSN: 5340-00-757-3100
NIINs: 007573100, 016532051
FSC: 5340 — Hardware, Commercial
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
weight6.80 KILOGRAMS KG
materialSTEEL OVERALL
block_typeSNATCH
special_featuresPRESSURE LUBE FITTINGS; BLOCKS FURNISHED WITH DUAL RATED WIRELINE SHEAVES
style_designatorPULLEY PATTERN
sheave_outside_diameter152.0 MILLIMETERS NOMINAL MM
tackle_accommodated_typeWIRE ROPE
material_document_and_classificationMIL-S-890, ALLOY NO. 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencySNATCH BLOCK TAIL BOARD
NSN5340-00-757-3100
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 179238 MFR: Hama ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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LENGTH: 0.873 INCHES NOMINAL IN
•
HEIGHT: 0.533 INCHES NOMINAL IN
•
WIDTH: 0.835 INCHES NOMINAL IN
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FURNISHED ITEMS: LOCKNUT
•
HOLE DIAMETER: 0.221 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH0.873 INCHES NOMINAL IN
HEIGHT0.533 INCHES NOMINAL IN
WIDTH0.835 INCHES NOMINAL IN
FURNISHED ITEMSLOCKNUT
HOLE DIAMETER0.221 INCHES NOMINAL IN
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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 179238?
179238 is a BLOCK,TACKLE manufactured by Hama.
What is the NSN for 179238?
179238 is cataloged in the U.S. Government catalog under NSN 5340-00-757-3100. This indicates validated use in U.S. government and defense supply chains.
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