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1271-340D — CRANK,HAND

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1271-340D: CRANK,HAND.

The CRANK,HAND is a the manufacturer industrial component. Key specifications include ratchet: NOT INCLUDED, material: STEEL DRIVE END, arm_style: STRAIGHT, drive_width: 0.281 INCHES NOMINAL IN, shank_height: 4.625 INCHES NOMINAL IN, drive_end_style: EXTERNAL. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-359-9039, 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
1271-340D
NSN: 5340-00-359-9039
FSC: 5340 — Hardware, Commercial
CAGE: 05396 — BAKER PERKINS NORTH AMERICA INC SUB OF APV CONSOLIDATED INC (USA)
SPECIFICATIONS
ratchetNOT INCLUDED
materialSTEEL DRIVE END
arm_styleSTRAIGHT
drive_width0.281 INCHES NOMINAL IN
shank_height4.625 INCHES NOMINAL IN
drive_end_styleEXTERNAL
inside_diameter1.000 INCHES NOMINAL IN
mounting_facilitySLOT
surface_treatmentPAINT OVERALL
crank_throw_length7.000 INCHES NOMINAL IN
crank_overall_length8.125 INCHES NOMINAL IN
drive_facility_styleFLATTED, TWO SIDES PARALLEL
NSN5340-00-359-9039
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1271-340D MFR: OEM ⚠ 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
•
HANDLE ROTATING FEATURE: NOT INCLUDED
•
DRIVE WIDTH: 0.281 INCHES NOMINAL IN
•
SHANK HEIGHT: 4.625 INCHES NOMINAL IN
•
RATCHET: NOT INCLUDED
•
DRIVE END STYLE: EXTERNAL
•
MOUNTING FACILITY SLOT WIDTH: 0.285 INCHES NOMINAL IN
•
DRIVE FACILITY STYLE: FLATTED, TWO SIDES PARALLEL
•
CRANK OVERALL LENGTH: 8.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HANDLE ROTATING FEATURENOT INCLUDED
DRIVE WIDTH0.281 INCHES NOMINAL IN
SHANK HEIGHT4.625 INCHES NOMINAL IN
RATCHETNOT INCLUDED
DRIVE END STYLEEXTERNAL
MOUNTING FACILITY SLOT WIDTH0.285 INCHES NOMINAL IN
DRIVE FACILITY STYLEFLATTED, TWO SIDES PARALLEL
CRANK OVERALL LENGTH8.125 INCHES NOMINAL IN
CRANK THROW LENGTH7.000 INCHES NOMINAL IN
INSIDE DIAMETER1.000 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 2
M0151AReference document
Same NSN cross-reference
Reference document — Secondary reference
235F43-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 1271-340D?
1271-340D is a CRANK,HAND.
What parts can replace 1271-340D?
There are 2 known substitutes for 1271-340D: M0151A, 235F43-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 1271-340D?
1271-340D is cataloged in the U.S. Government catalog under NSN 5340-00-359-9039. This indicates validated use in U.S. government and defense supply chains.
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