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9D1263-2 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9D1263-2: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 2.000 INCHES NOMINAL IN, material: STEEL STANDOFF, thread_class: 2B LEFT INTERNAL (INCLUDES THRU THREAD), thread_length: 0.438 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN, flange_thickness: 0.438 INCHES NOMINAL IN, special_features: SHOULDER IS SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-086-7733, 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
9D1263-2
NSN: 5340-00-086-7733
FSC: 5340 — Hardware, Commercial
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
length2.000 INCHES NOMINAL IN
materialSTEEL STANDOFF
thread_class2B LEFT INTERNAL (INCLUDES THRU THREAD)
thread_length0.438 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
flange_thickness0.438 INCHES NOMINAL IN
special_featuresSHOULDER IS SQUARE
style_designatorFLANGED WITH LEFT INTERNAL THREAD
thread_directionRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
surface_treatmentSILVER STANDOFF
nominal_thread_size0.375 INCHES RIGHT EXTERNAL IN
thread_quantity_per_inch24 RIGHT EXTERNAL
thread_series_designatorUNF RIGHT EXTERNAL
NSN5340-00-086-7733
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9D1263-2 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
•
FLANGE WIDTH ACROSS FLATS: 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
•
LENGTH: 2.000 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: SILVER28AA01 FSC-89315 MFR REF SINGLE TREATMENT RESPONSE STANDOFF
•
FLANGE THICKNESS: 0.438 INCHES NOMINAL IN
•
THREAD LENGTH: 0.438 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
•
STYLE DESIGNATOR: FLANGED WITH LEFT INTERNAL THREAD
•
THREAD DIRECTION: RIGHT-HAND RIGHT EXTERNAL
TECHNICAL CHARACTERISTICS
FLANGE WIDTH ACROSS FLATS0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
LENGTH2.000 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONSILVER28AA01 FSC-89315 MFR REF SINGLE TREATMENT RESPONSE STANDOFF
FLANGE THICKNESS0.438 INCHES NOMINAL IN
THREAD LENGTH0.438 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
THREAD LENGTH1.125 INCHES NOMINAL RIGHT EXTERNAL IN
STYLE DESIGNATORFLANGED WITH LEFT INTERNAL THREAD
THREAD DIRECTIONRIGHT-HAND RIGHT EXTERNAL
THREAD DIRECTIONRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE0.375 INCHES RIGHT EXTERNAL 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
P-9-D-1263Reference document
Same NSN cross-reference
Reference document — Secondary reference
9D1263Reference 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 9D1263-2?
9D1263-2 is a STANDOFF,THREADED,SPACING.
What parts can replace 9D1263-2?
There are 2 known substitutes for 9D1263-2: P-9-D-1263, 9D1263. Substitute compatibility should be verified for your specific system.
What is the NSN for 9D1263-2?
9D1263-2 is cataloged in the U.S. Government catalog under NSN 5340-00-086-7733. 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.