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PartsTable / COMPONENT / 9004-D ITEM 26
9004-D ITEM 26 ✓ 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,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 1.380 INCHES NOMINAL IN, overall_length: 4.620 INCHES NOMINAL IN, effective_length: 4.120 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-335-0091, 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
9004-D ITEM 26
NSN: 5315-01-335-0091
FSC: 5315
CAGE: 00994 — COLUMBUS JACK CORPORATION DIV COLUMBUS JACK (USA)
SPECIFICATIONS
diameter1.380 INCHES NOMINAL IN
overall_length4.620 INCHES NOMINAL IN
effective_length4.120 INCHES NOMINAL IN
NSN5315-01-335-0091
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9004-D ITEM 26 · 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
•
EFFECTIVE LENGTH: 4.120 INCHES NOMINAL IN
•
DIAMETER: 1.380 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
EFFECTIVE LENGTH4.120 INCHES NOMINAL IN
OVERALL LENGTH4.620 INCHES NOMINAL IN
DIAMETER1.380 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
631663-45Interchangeable
interchangeable cross-reference
interchangeable
MILR94-6Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-94/6Interchangeable
interchangeable cross-reference
interchangeable
8315-2Interchangeable
interchangeable cross-reference
interchangeable
B-10415 PIECE 15Interchangeable
interchangeable cross-reference
interchangeable
908013Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9004-D ITEM 26?
9004-D ITEM 26 is a PIN,GROOVED,HEADLESS.
What parts can replace 9004-D ITEM 26?
There are 6 known substitutes for 9004-D ITEM 26: 631663-45, MILR94-6, MIL-PRF-94/6 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9004-D ITEM 26?
9004-D ITEM 26 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-335-0091. 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