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9738-SS-0440-0 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9738-SS-0440-0: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.375 INCHES NOMINAL IN, groove_width: 0.038 INCHES NOMINAL IN, groove_diameter: 0.081 INCHES NOMINAL IN, style_designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD, width_across_flats: 0.250 INCHES NOMINAL IN, cross-sectional_shape: HEXAGON. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-404-1676, 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
9738-SS-0440-0
NSN: 5340-00-404-1676
FSC: 5340 — Hardware, Commercial
CAGE: 06540 — NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV (USA)
SPECIFICATIONS
length0.375 INCHES NOMINAL IN
groove_width0.038 INCHES NOMINAL IN
groove_diameter0.081 INCHES NOMINAL IN
style_designatorLEFT INTERNAL AND RIGHT EXTERNAL THREAD
width_across_flats0.250 INCHES NOMINAL IN
cross-sectional_shapeHEXAGON
NSN5340-00-404-1676
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9738-SS-0440-0 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
•
LENGTH: 0.375 INCHES NOMINAL IN
•
GROOVE DIAMETER: 0.081 INCHES NOMINAL IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT EXTERNAL THREAD
•
CROSS-SECTIONAL SHAPE: HEXAGON
•
GROOVE WIDTH: 0.038 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
LENGTH0.375 INCHES NOMINAL IN
GROOVE DIAMETER0.081 INCHES NOMINAL IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT EXTERNAL THREAD
CROSS-SECTIONAL SHAPEHEXAGON
GROOVE WIDTH0.038 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
9738SS0440-7Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
9738-SS-0440Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9738-SS-0440-0?
9738-SS-0440-0 is a STANDOFF,THREADED,SPACING.
What parts can replace 9738-SS-0440-0?
There are 2 known substitutes for 9738-SS-0440-0: 9738SS0440-7, 9738-SS-0440. Substitute compatibility should be verified for your specific system.
What is the NSN for 9738-SS-0440-0?
9738-SS-0440-0 is cataloged in the U.S. Government catalog under NSN 5340-00-404-1676. 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.