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Technical Data Sheet
1321-M09-F09-440 ✓ 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: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN, style_designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD, width_across_flats: 0.187 INCHES NOMINAL IN, cross-sectional_shape: HEXAGON. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-857-6189, 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
1321-M09-F09-440
NSN: 5340-00-857-6189
FSC: 5340
CAGE: 04729 — UNICORP. (USA)
SPECIFICATIONS
length0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
style_designatorLEFT INTERNAL AND RIGHT EXTERNAL THREAD
width_across_flats0.187 INCHES NOMINAL IN
cross-sectional_shapeHEXAGON
NSN5340-00-857-6189
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1321-M09-F09-440 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
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT EXTERNAL THREAD
WIDTH ACROSS FLATS: 0.187 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE: HEXAGON
LENGTH: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORLEFT INTERNAL AND RIGHT EXTERNAL THREAD
WIDTH ACROSS FLATS0.187 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPEHEXAGON
LENGTH0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
12 F70HG5-SInterchangeable
interchangeable cross-reference
interchangeable
12641597Interchangeable
interchangeable cross-reference
interchangeable
9732SS0440-7Interchangeable
Same NIIN cross-reference
interchangeable
23206-23205Interchangeable
Same NIIN cross-reference
interchangeable
9732-SS-0440Interchangeable
Same NIIN cross-reference
interchangeable
NAS1829Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1321-M09-F09-440?
1321-M09-F09-440 is a STANDOFF,THREADED,SPACING.
What parts can replace 1321-M09-F09-440?
There are 8 known substitutes for 1321-M09-F09-440: 12 F70HG5-S, 12641597, 9732SS0440-7 and 5 more. Substitute compatibility should be verified for your specific system.
Is 1321-M09-F09-440 still available?
1321-M09-F09-440 is currently cancelled.
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