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JMFW — WASHER,SEAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

JMFW: WASHER,SEAL.

The WASHER,SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER NEOPRENE SEALING ELEMENT, hole_diameter: 6.9 MILLIMETERS NOMINAL6.9 MILLIMETERS NOMINAL MM, overall_height: 3.2 MILLIMETERS NOMINAL3.2 MILLIMETERS NOMINAL MM, outside_diameter: 15.9 MILLIMETERS NOMINAL15.9 MILLIMETERS NOMINAL MM, style_designator: CONCAVE, end_item_identification: 3930-01-599-99783930-01-599-9978. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-617-6461, 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
JMFW
NSN: 5310-01-617-6461
FSC: 5310 — Nuts and Washers
CAGE: 1SE17 — ENDRIES INTERNATIONAL, INC. DBA SERVTONICS, AN ENDRIES INTERNATIONAL, INC. (USA)
SPECIFICATIONS
materialRUBBER NEOPRENE SEALING ELEMENT
hole_diameter6.9 MILLIMETERS NOMINAL6.9 MILLIMETERS NOMINAL MM
overall_height3.2 MILLIMETERS NOMINAL3.2 MILLIMETERS NOMINAL MM
outside_diameter15.9 MILLIMETERS NOMINAL15.9 MILLIMETERS NOMINAL MM
style_designatorCONCAVE
end_item_identification3930-01-599-99783930-01-599-9978
part_name_assigned_by_controlling_agencyWSH,.270,.630,.125,WT SSWSH,.270,.630,.125,WT SS
NSN5310-01-617-6461
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: JMFW · 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: 15.9 MILLIMETERS NOMINAL15.9 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL CORROSION RESISTING BODY
•
HOLE DIAMETER: 6.9 MILLIMETERS NOMINAL6.9 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT3.2 MILLIMETERS NOMINAL3.2 MILLIMETERS NOMINAL MM
STYLE DESIGNATORCONCAVE
OUTSIDE DIAMETER15.9 MILLIMETERS NOMINAL15.9 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYWSH,.270,.630,.125,WT SSWSH,.270,.630,.125,WT SS
END ITEM IDENTIFICATION3930-01-599-99783930-01-599-9978
MATERIALSTEEL CORROSION RESISTING BODY
MATERIALRUBBER NEOPRENE SEALING ELEMENT
HOLE DIAMETER6.9 MILLIMETERS NOMINAL6.9 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 JMFW?
JMFW is a WASHER,SEAL.
What is the NSN for JMFW?
JMFW is cataloged in the U.S. Government catalog under NSN 5310-01-617-6461. 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.