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Technical Data Sheet
PartsTable / COMPONENT / HMFB-8-1000
HMFB-8-1000 ✓ 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 length: 1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN, material: COPPER ALLOY STANDOFFCOPPER ALLOY STANDOFF, thread_class: 2B LEFT INTERNAL (INCLUDES THRU THREAD)2B LEFT INTERNAL (INCLUDES THRU THREAD), thread_length: 0.375 INCHES NOMINAL RIGHT EXTERNAL0.375 INCHES NOMINAL RIGHT EXTERNAL IN, flange_thickness: 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN, style_designator: FLANGED WITH LEFT INTERNAL THREADFLANGED WITH LEFT INTERNAL THREAD. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-088-8980, 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
HMFB-8-1000
NSN: 5340-01-088-8980
FSC: 5340
CAGE: 63590 — SPC TECHNOLOGY - NEWARK (USA)
SPECIFICATIONS
length1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN
materialCOPPER ALLOY STANDOFFCOPPER ALLOY STANDOFF
thread_class2B LEFT INTERNAL (INCLUDES THRU THREAD)2B LEFT INTERNAL (INCLUDES THRU THREAD)
thread_length0.375 INCHES NOMINAL RIGHT EXTERNAL0.375 INCHES NOMINAL RIGHT EXTERNAL IN
flange_thickness1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
style_designatorFLANGED WITH LEFT INTERNAL THREADFLANGED WITH LEFT INTERNAL THREAD
thread_directionRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
surface_treatmentNICKEL STANDOFFNICKEL STANDOFF
nominal_thread_size0.164 INCHES LEFT INTERNAL (INCLUDES THRU THREAD)0.164 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
thread_quantity_per_inch32 RIGHT EXTERNAL32 RIGHT EXTERNAL
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
flange_width_across_flats0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
NSN5340-01-088-8980
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HMFB-8-1000 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 THICKNESS: 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
•
THREAD LENGTH: 0.375 INCHES NOMINAL RIGHT EXTERNAL0.375 INCHES NOMINAL RIGHT EXTERNAL IN
•
THREAD DIRECTION: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
•
LENGTH: 1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.164 INCHES RIGHT EXTERNAL0.164 INCHES RIGHT EXTERNAL IN
•
STYLE DESIGNATOR: FLANGED WITH LEFT INTERNAL THREADFLANGED WITH LEFT INTERNAL THREAD
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE THICKNESS1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
THREAD LENGTH0.375 INCHES NOMINAL RIGHT EXTERNAL0.375 INCHES NOMINAL RIGHT EXTERNAL IN
THREAD DIRECTIONRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
LENGTH1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.164 INCHES RIGHT EXTERNAL0.164 INCHES RIGHT EXTERNAL IN
STYLE DESIGNATORFLANGED WITH LEFT INTERNAL THREADFLANGED WITH LEFT INTERNAL THREAD
THREAD DIRECTIONRIGHT-HAND RIGHT EXTERNALRIGHT-HAND RIGHT EXTERNAL
NOMINAL THREAD SIZE0.164 INCHES LEFT INTERNAL (INCLUDES THRU THREAD)0.164 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
SURFACE TREATMENTNICKEL STANDOFFNICKEL STANDOFF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
8286Interchangeable
interchangeable cross-reference
interchangeable
G9754PC82Interchangeable
interchangeable cross-reference
interchangeable
C11735-6PC119Interchangeable
interchangeable cross-reference
interchangeable
G9681PC76Interchangeable
interchangeable cross-reference
interchangeable
AWC-018286Interchangeable
interchangeable cross-reference
interchangeable
AWC-818286Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HMFB-8-1000?
HMFB-8-1000 is a STANDOFF,THREADED,SPACING.
What parts can replace HMFB-8-1000?
There are 15 known substitutes for HMFB-8-1000: 8286, G9754PC82, C11735-6PC119 and 12 more. Substitute compatibility should be verified for your specific system.
Is HMFB-8-1000 still available?
HMFB-8-1000 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026