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PartsTable / COMPONENT / NC-1243 PIECE 27
NC-1243 PIECE 27 ✓ 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 PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hardness_rating: 56.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-288-0192, 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
NC-1243 PIECE 27
NSN: 5315-01-288-0192
FSC: 5315
CAGE: 75144 — JENKINS BROS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hardness_rating56.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
NSN5315-01-288-0192
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NC-1243 PIECE 27 · 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
•
HARDNESS RATING: 56.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING56.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
3081Interchangeable
interchangeable cross-reference
interchangeable
547A003081Interchangeable
interchangeable cross-reference
interchangeable
QB90886-1Interchangeable
interchangeable cross-reference
interchangeable
3080Interchangeable
interchangeable cross-reference
interchangeable
R127Interchangeable
interchangeable cross-reference
interchangeable
23197Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NC-1243 PIECE 27?
NC-1243 PIECE 27 is a PIN,SHOULDER,HEADLESS.
What parts can replace NC-1243 PIECE 27?
There are 18 known substitutes for NC-1243 PIECE 27: 3081, 547A003081, QB90886-1 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NC-1243 PIECE 27?
NC-1243 PIECE 27 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-288-0192. 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