PartsTable
Technical Data Sheet
317-6478-012 ✓ 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: 0.112 INCHES RIGHT INTERNAL IN, cross-sectional_shape: HEXAGON, cross-sectional_length: 0.375 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-007-6108, 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
317-6478-012
NSN: 5340-00-007-6108
FSC: 5340
CAGE: 74970 — VIKING TECHNOLOGIES, LTD. (USA)
SPECIFICATIONS
thread_class2B RIGHT INTERNAL
thread_directionRIGHT-HAND RIGHT INTERNAL
width_across_flats0.250 INCHES NOMINAL IN
nominal_thread_size0.112 INCHES RIGHT INTERNAL IN
cross-sectional_shapeHEXAGON
cross-sectional_length0.375 INCHES NOMINAL IN
thread_quantity_per_inch40 RIGHT INTERNAL
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
NSN5340-00-007-6108
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 317-6478-012 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 QUANTITY PER INCH: 40 RIGHT INTERNAL
CROSS-SECTIONAL SHAPE: HEXAGON
CROSS-SECTIONAL LENGTH: 0.375 INCHES NOMINAL IN
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE: 0.112 INCHES RIGHT INTERNAL IN
THREAD CLASS: 2B RIGHT INTERNAL
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH40 RIGHT INTERNAL
CROSS-SECTIONAL SHAPEHEXAGON
SPECIAL FEATURESMATERIAL: STEEL COMP 303 OVERALL;MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL;SURFACE TREATMENT: PASSIVATE OVERALL;SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CROSS-SECTIONAL LENGTH0.375 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE0.112 INCHES RIGHT INTERNAL IN
THREAD CLASS2B RIGHT INTERNAL
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND RIGHT INTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
532353-628Upgraded Successor
successor cross-reference
successor
SS6951-0632-2.500-01Upgraded Successor
successor cross-reference
successor
0N664167Upgraded Successor
successor cross-reference
successor
8213-SS-0440Interchangeable
interchangeable cross-reference
interchangeable
P-521-M09-F09-440Interchangeable
Same NIIN cross-reference
interchangeable
007260-4-6Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 317-6478-012?
317-6478-012 is a STANDOFF,THREADED,SPACING.
What parts can replace 317-6478-012?
There are 11 known substitutes for 317-6478-012: 532353-628, SS6951-0632-2.500-01, 0N664167 and 8 more. Substitute compatibility should be verified for your specific system.
Is 317-6478-012 still available?
317-6478-012 is currently cancelled.
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