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Technical Data Sheet
43A846106 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include thread_class: 2B RIGHT INTERNAL, thread_direction: RIGHT-HAND RIGHT INTERNAL, width_across_flats: 0.250 INCHES NOMINAL IN, nominal_thread_size: 0.138 INCHES RIGHT INTERNAL IN, cross-sectional_shape: HEXAGON, cross-sectional_length: 0.500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-826-5136, 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
43A846106
NSN: 5340-00-826-5136
FSC: 5340
CAGE: 1VPW8 — GENERAL DYNAMICS MISSION SYSTEMS, INC. DBA GDMS (USA)
SPECIFICATIONS
thread_class2B RIGHT INTERNAL
special_featuresMATERIAL: ALUMINUM ALLOY 2017 OVERALL;SURFACE TREATMENT: ANODIZE OVERALL;MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL;BEARING SURFACE TYPE: FLAT
thread_directionRIGHT-HAND RIGHT INTERNAL
width_across_flats0.250 INCHES NOMINAL IN
nominal_thread_size0.138 INCHES RIGHT INTERNAL IN
cross-sectional_shapeHEXAGON
cross-sectional_length0.500 INCHES NOMINAL IN
thread_quantity_per_inch32 RIGHT INTERNAL
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
NSN5340-00-826-5136
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 43A846106 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
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
THREAD CLASS: 2B RIGHT INTERNAL
CROSS-SECTIONAL LENGTH: 0.500 INCHES NOMINAL IN
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD QUANTITY PER INCH: 32 RIGHT INTERNAL
CROSS-SECTIONAL SHAPE: HEXAGON
NOMINAL THREAD SIZE: 0.138 INCHES RIGHT INTERNAL IN
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
THREAD CLASS2B RIGHT INTERNAL
CROSS-SECTIONAL LENGTH0.500 INCHES NOMINAL IN
SPECIAL FEATURESMATERIAL: ALUMINUM ALLOY 2017 OVERALL;SURFACE TREATMENT: ANODIZE OVERALL;MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL;BEARING SURFACE TYPE: FLAT
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD QUANTITY PER INCH32 RIGHT INTERNAL
CROSS-SECTIONAL SHAPEHEXAGON
NOMINAL THREAD SIZE0.138 INCHES RIGHT INTERNAL IN
THREAD DIRECTIONRIGHT-HAND RIGHT INTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
532353-628Upgraded Successor
successor cross-reference
successor
SS6951-0632-2.500-01Upgraded Successor
successor cross-reference
successor
0N664167Upgraded Successor
successor cross-reference
successor
9191813Interchangeable
Same NIIN cross-reference
interchangeable
543-0643-002Interchangeable
Same NIIN cross-reference
interchangeable
NAS1831Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 43A846106?
43A846106 is a STANDOFF,THREADED,SPACING.
What parts can replace 43A846106?
There are 6 known substitutes for 43A846106: 532353-628, SS6951-0632-2.500-01, 0N664167 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 43A846106?
43A846106 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-826-5136. This indicates validated use in U.S. government and defense supply chains.
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