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7404672 — PISTON,DIAPHRAGM

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7404672: PISTON,DIAPHRAGM.

The PISTON,DIAPHRAGM is a the manufacturer industrial component. Key specifications include end_item_identification: E3A ACFT, general_characteristics_item_description: ALUMINUM ANODIZE PER MIL-A-8625 TYPE I. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-740-4672, 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
7404672
NSN: 5310-00-740-4672
NIINs: 007404672, 010344416
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
end_item_identificationE3A ACFT
general_characteristics_item_descriptionALUMINUM ANODIZE PER MIL-A-8625 TYPE I
NSN5310-00-740-4672
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7404672 · 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
•
DISTANCE ACROSS SPLIT OPENING: 0.078 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SPLIT
•
OUTSIDE DIAMETER: 0.859 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.058 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.547 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE ACROSS SPLIT OPENING0.078 INCHES NOMINAL IN
STYLE DESIGNATORSPLIT
OUTSIDE DIAMETER0.859 INCHES NOMINAL IN
MATERIAL THICKNESS0.058 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
HOLE DIAMETER0.547 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
5310007404672Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 7404672?
7404672 is a PISTON,DIAPHRAGM.
What parts can replace 7404672?
There is 1 known substitute for 7404672: 5310007404672. Substitute compatibility should be verified for your specific system.
What is the NSN for 7404672?
7404672 is cataloged in the U.S. Government catalog under NSN 5310-00-740-4672. 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.