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1271740 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1271740: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1213 STANDOFF, thread_class: 2A RIGHT EXTERNAL A, thread_length: 0.328 INCHES NOMINAL RIGHT EXTERNAL IN, thread_direction: RIGHT-HAND RIGHT EXTERNAL, surface_treatment: CADMIUM STANDOFF, nominal_thread_size: 0.190 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-752-6594, 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
1271740
NSN: 5340-00-752-6594
FSC: 5340 — Hardware, Commercial
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
materialSTEEL COMP 1213 STANDOFF
thread_class2A RIGHT EXTERNAL A
thread_length0.328 INCHES NOMINAL RIGHT EXTERNAL IN
thread_directionRIGHT-HAND RIGHT EXTERNAL
surface_treatmentCADMIUM STANDOFF
nominal_thread_size0.190 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
thread_quantity_per_inch32 LEFT INTERNAL (INCLUDES THRU THREAD)
thread_series_designatorUNF RIGHT EXTERNAL
NSN5340-00-752-6594
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1271740 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
•
THREAD LENGTH: 0.328 INCHES NOMINAL RIGHT EXTERNAL IN
•
THREAD DIRECTION: RIGHT-HAND RIGHT EXTERNAL
•
NOMINAL THREAD SIZE: 0.190 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
•
SURFACE TREATMENT: CADMIUM STANDOFF
•
THREAD CLASS: 2A RIGHT EXTERNAL A
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.328 INCHES NOMINAL RIGHT EXTERNAL IN
THREAD DIRECTIONRIGHT-HAND RIGHT EXTERNAL
THREAD DIRECTIONRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE0.190 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
NOMINAL THREAD SIZE0.190 INCHES RIGHT EXTERNAL IN
SURFACE TREATMENTCADMIUM STANDOFF
THREAD CLASS2A RIGHT EXTERNAL A
THREAD CLASS3B LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD QUANTITY PER INCH32 LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD QUANTITY PER INCH32 RIGHT EXTERNAL
SUBSTITUTES & CROSS-REFERENCES 5
1580890Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
53677526594Reference document
Same NSN cross-reference
Reference document — Secondary reference
418104Reference document
Same NSN cross-reference
Reference document — Secondary reference
98536R1Reference document
Same NSN cross-reference
Reference document — Secondary reference
5307007526594Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 1271740?
1271740 is a STANDOFF,THREADED,SPACING.
What parts can replace 1271740?
There are 5 known substitutes for 1271740: 1580890, 53677526594, 418104 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1271740?
1271740 is cataloged in the U.S. Government catalog under NSN 5340-00-752-6594. 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.