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9437889 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9437889: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN, material: STEEL CORROSION RESISTING OVERALL, thread_class: 2B LEFT INTERNAL (INCLUDES THRU THREAD), thread_length: 0.250 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN, special_features: EXTERNAL THREADS UNDERCUT UP TO 1.5 THREADS MAX TO MINOR DIA, style_designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-195-1575, 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
9437889
NSN: 5340-01-195-1575
FSC: 5340 — Hardware, Commercial
CAGE: 11862 — GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT (USA)
SPECIFICATIONS
length0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
materialSTEEL CORROSION RESISTING OVERALL
thread_class2B LEFT INTERNAL (INCLUDES THRU THREAD)
thread_length0.250 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
special_featuresEXTERNAL THREADS UNDERCUT UP TO 1.5 THREADS MAX TO MINOR DIA
style_designatorLEFT INTERNAL AND RIGHT EXTERNAL THREAD
thread_directionRIGHT-HAND RIGHT EXTERNAL
surface_treatmentPASSIVATE OVERALL
width_across_flats0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
nominal_thread_size0.112 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
cross-sectional_shapeHEXAGON
end_item_identificationW/S: TRUCK, AMBULANCE, 2-LITTER, SOFT TOP, 1 1/4 TON HMMWV; AIRCRAFT, T-39; TRUCK, VEHICLE SYSTEM 1 1/4-TON (HMMWV); TRUCK, UTILITY, CARGO TROOP CARRIER, 5/4-TON W/E (M998)
NSN5340-01-195-1575
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9437889 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: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
•
LENGTH: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
THREAD LENGTH: 0.250 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT EXTERNAL THREAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
THREAD DIRECTION: RIGHT-HAND RIGHT EXTERNAL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
LENGTH0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC ALL TREATMENT RESPONSES OVERALL
THREAD LENGTH0.250 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
THREAD LENGTH0.190 INCHES MAXIMUM RIGHT EXTERNAL IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT EXTERNAL THREAD
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 FED SPEC ALL MATERIAL RESPONSES OVERALL
THREAD DIRECTIONRIGHT-HAND RIGHT EXTERNAL
THREAD DIRECTIONRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE0.112 INCHES RIGHT EXTERNAL IN
SUBSTITUTES & CROSS-REFERENCES 4
160556-101Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5340PL0728224Reference document
Same NSN cross-reference
Reference document — Informative reference only
9741-SS-0440-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
160556Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9437889?
9437889 is a STANDOFF,THREADED,SPACING.
What parts can replace 9437889?
There are 4 known substitutes for 9437889: 160556-101, 5340PL0728224, 9741-SS-0440-7 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9437889?
9437889 is cataloged in the U.S. Government catalog under NSN 5340-01-195-1575. 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.