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ERNH297 — NUT,CYLINDER HEAD

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

ERNH297: NUT,CYLINDER HEAD.

The NUT,CYLINDER HEAD is a the manufacturer industrial component. Key specifications include fsc_application_data: ENGINE,GASOLINE,MILITARY STANDARD, end_item_identification: 28059523927. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-017-8422, 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
ERNH297
NSN: 5310-00-017-8422
FSC: 5310 — Nuts and Washers
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
fsc_application_dataENGINE,GASOLINE,MILITARY STANDARD
end_item_identification28059523927
general_characteristics_item_descriptionSTEEL SAE J403 NO. 1108-1118,0.551 IN. MIN,0.562 IN. MAX W ACROSS FLATS,0.771 IN. MIN,0.793 IN. MAX WASHER OD,0.259 IN. NUT H,0.321 IN. MIN,0.338 IN. MAX O/A H IN
NSN5310-00-017-8422
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ERNH297 · 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
•
FSC APPLICATION DATA: ENGINE,GASOLINE,MILITARY STANDARD
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL SAE J403 NO. 1108-1118,0.551 IN. MIN,0.562 IN. MAX W ACROSS FLATS,0.771 IN. MIN,0.793 IN. MAX WASHER OD,0.259 IN. NUT H,0.321 IN. MIN,0.338 IN. MAX O/A H IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAENGINE,GASOLINE,MILITARY STANDARD
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL SAE J403 NO. 1108-1118,0.551 IN. MIN,0.562 IN. MAX W ACROSS FLATS,0.771 IN. MIN,0.793 IN. MAX WASHER OD,0.259 IN. NUT H,0.321 IN. MIN,0.338 IN. MAX O/A H IN
END ITEM IDENTIFICATION28059523927
END ITEM IDENTIFICATION28059523926
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 2
207019CReference document
Same NSN cross-reference
Reference document — Secondary reference
5310000178422Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 ERNH297?
ERNH297 is a NUT,CYLINDER HEAD.
What parts can replace ERNH297?
There are 2 known substitutes for ERNH297: 207019C, 5310000178422. Substitute compatibility should be verified for your specific system.
What is the NSN for ERNH297?
ERNH297 is cataloged in the U.S. Government catalog under NSN 5310-00-017-8422. This indicates validated use in U.S. government and defense supply chains.
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