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44597-6 — WASHER,SEAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

44597-6: WASHER,SEAL.

The WASHER,SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER NEOPRENE BODY, hole_diameter: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN, overall_height: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN, outside_diameter: 2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN, style_designator: CONCAVE. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-466-4427, 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
44597-6
NSN: 5310-01-466-4427
FSC: 5310 — Nuts and Washers
CAGE: 52853 — AEROGO, INC DBA AEROGO INC (USA)
SPECIFICATIONS
materialRUBBER NEOPRENE BODY
hole_diameter1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
overall_height0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
outside_diameter2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN
style_designatorCONCAVE
NSN5310-01-466-4427
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 44597-6 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: CONCAVE
•
OUTSIDE DIAMETER: 2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN
•
MATERIAL: RUBBER NEOPRENE BODY
•
HOLE DIAMETER: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
STYLE DESIGNATORCONCAVE
OUTSIDE DIAMETER2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN
MATERIALRUBBER NEOPRENE BODY
MATERIALGLUE SEALING ELEMENT
HOLE DIAMETER1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
SK-9Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 44597-6?
44597-6 is a WASHER,SEAL.
What parts can replace 44597-6?
There is 1 known substitute for 44597-6: SK-9. Substitute compatibility should be verified for your specific system.
What is the NSN for 44597-6?
44597-6 is cataloged in the U.S. Government catalog under NSN 5310-01-466-4427. 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.