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Technical Data Sheet
PartsTable / COMPONENT / 90401-1
90401-1 ✓ 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 STEM METERING TAPER is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include end_item_identification: LAUNC,HYDROG,CAGE 03950. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-011-9206, 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
90401-1
NSN: 5315-00-011-9206
FSC: 5315
CAGE: 92392 — ALLIS-CHALMERS CORP (USA)
SPECIFICATIONS
end_item_identificationLAUNC,HYDROG,CAGE 03950
NSN5315-00-011-9206
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 90401-1 · 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
•
UNDERLOOP LENGTH: 3.500 INCHES NOMINAL IN
•
DIAMETER: 0.250 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1008 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: STANDARD
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
UNDERLOOP LENGTH3.500 INCHES NOMINAL IN
DIAMETER0.250 INCHES NOMINAL IN
MATERIALSTEEL COMP 1008 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORSTANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
119206Interchangeable
interchangeable cross-reference
interchangeable
913-3597-00Interchangeable
interchangeable cross-reference
interchangeable
90401-1Interchangeable
interchangeable cross-reference
interchangeable
4360856Interchangeable
Same NIIN cross-reference
interchangeable
770Interchangeable
Same NIIN cross-reference
interchangeable
X8-361Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 90401-1?
90401-1 is a STEM METERING TAPER.
What parts can replace 90401-1?
There are 7 known substitutes for 90401-1: 119206, 913-3597-00, 90401-1 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 90401-1?
90401-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-011-9206. 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