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Technical Data Sheet
PartsTable / COMPONENT / 1100 ITEM 12
1100 ITEM 12 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,PLAIN,CAP is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-312-3251, 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
1100 ITEM 12
NSN: 5310-01-312-3251
FSC: 5310
CAGE: 8W880 — R & D MACHINE RAFAEL ANAYA DIV DEFENSE LOGISTICS AGENCY (USA)
SPECIFICATIONS
Part Number1100 ITEM 12
NSN5310-01-312-3251
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1100 ITEM 12 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
11091Interchangeable
interchangeable cross-reference
interchangeable
5203HInterchangeable
interchangeable cross-reference
interchangeable
7410028Interchangeable
interchangeable cross-reference
interchangeable
7191359Interchangeable
interchangeable cross-reference
interchangeable
J530Interchangeable
interchangeable cross-reference
interchangeable
3304X2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1100 ITEM 12?
1100 ITEM 12 is a NUT,PLAIN,CAP.
What parts can replace 1100 ITEM 12?
There are 15 known substitutes for 1100 ITEM 12: 11091, 5203H, 7410028 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1100 ITEM 12?
1100 ITEM 12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-312-3251. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026