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Technical Data Sheet
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71401 — CONTACT SUPPORT

✓ Government record, cited
Hama · ORING SEAL
PRODUCT OVERVIEW

71401: CONTACT SUPPORT.

- Professional lens protection with additional nano-effect, made from high-quality lens glass for intense colours - NMC16 coating: eight layers on each side, for excellent permeability to light and maximum anti-reflective properties - Vapour-deposited, multi-layer coating - Clear pictures with brilliant colours since the unwanted blue colouring of ultra-violet radiation is avoided, reducing haze and preventing blurring - Nano-coating for the lotus effect: easy to clean, prevents misting and further dirt accretion, water, oil and dirt-repellent - Scratch-resistant - Filter front and back are coated, ensuring no loss of contrast or brilliance and preventing ghosting and double images - Ultra-thin, wide mount: prevents vignetting, can remain on the lens permanently - Barely increases the lens front section - A protected front lens saves expensive repair costs - Quality class (glass): high-quality lens glass - Filter mount made from black anodised metal and This part is cataloged in the U.S. Government catalog under NSN 5340-00-126-0428, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
71401
NSN: 5340-00-126-0428
NIINs: 001260428, 007693293, 009187395, 010323799, 013146975, 014202087, 014398182
FSC: 5340 — Hardware, Commercial
CAGE: 06177 — PNEUDRAULICS, INC. (USA)
SPECIFICATIONS
special_featuresREPAIR PART FOR DRILLPRESS,BENCH TOP MDL 113.213832
end_item_identificationDRILL PRESS,MDL 113.213832,SEARS AND ROEBUCK
purchase_description_identification53800-71401
part_name_assigned_by_controlling_agencyKEY DRILL CHUCK REPAIR PT F/DRILL PRESS BENCH TOP MDL 113.213832
NSN5340-00-126-0428
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 71401 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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SHANK DIAMETER: 0.312 INCHES NOMINAL IN
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FORK SPAN WIDTH: 0.450 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN
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FORK ARM THICKNESS: 0.192 INCHES NOMINAL IN
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
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STYLE DESIGNATOR: CLEVIS
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MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.312 INCHES NOMINAL IN
OVERALL HEIGHT0.640 INCHES NOMINAL IN
FORK SPAN WIDTH0.450 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN
FORK ARM THICKNESS0.192 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORCLEVIS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL WIDTH0.835 INCHES NOMINAL IN
ANGLE30.0 DEGREES NOMINAL
THREAD DIRECTIONRIGHT-HAND ROD CONNECTION
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 71401?
71401 is a CONTACT SUPPORT manufactured by Hama.
What is the NSN for 71401?
71401 is cataloged in the U.S. Government catalog under NSN 5340-00-126-0428. This indicates validated use in U.S. government and defense supply chains.
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