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Technical Data Sheet
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E2391PC1 — WASHER,DIAPHRAGM

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

E2391PC1: WASHER,DIAPHRAGM.

The WASHER,DIAPHRAGM is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-00-394-7995, 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
E2391PC1
NSN: 5310-00-394-7995
FSC: 5310 — Nuts and Washers
CAGE: 12736 — CLAYTON MANUFACTURING COMPANY (USA)
SPECIFICATIONS
Part NumberE2391PC1
NSN5310-00-394-7995
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: E2391PC1 · 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
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 8
UH-6734Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1179PC28Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
E2363PC4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
E1286PC28Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
E2367PC2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
E2385PC28Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 E2391PC1?
E2391PC1 is a WASHER,DIAPHRAGM.
What parts can replace E2391PC1?
There are 8 known substitutes for E2391PC1: UH-6734, 1179PC28, E2363PC4 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E2391PC1?
E2391PC1 is cataloged in the U.S. Government catalog under NSN 5310-00-394-7995. This indicates validated use in U.S. government and defense supply chains.
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