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Technical Data Sheet
PartsTable / COMPONENT / MS90522-3L1
MS90522-3L1 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include material: IRON OVERALL, flow_angle: 90.0 DEGREES, leg_length: 3.062 INCHES NOMINAL ALL ENDS IN, sweep_type: LONG, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: DRAINAGE (PIPE) ALL ENDS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-9702, 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
MS90522-3L1
NSN: 4730-00-277-9702
FSC: 4730
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialIRON OVERALL
flow_angle90.0 DEGREES
leg_length3.062 INCHES NOMINAL ALL ENDS IN
sweep_typeLONG
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_styleDRAINAGE (PIPE) ALL ENDS
nominal_thread_size2.000 INCHES ALL ENDS IN
thread_series_designatorNPT ALL ENDS
specification/standard_data96906-MS90522 GOVERNMENT STANDARD
material_document_and_classificationASTM A-126 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN4730-00-277-9702
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MS90522-3L1 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
LEG LENGTH: 3.062 INCHES NOMINAL ALL ENDS IN
•
FLOW ANGLE: 90.0 DEGREES
•
NOMINAL THREAD SIZE: 2.000 INCHES ALL ENDS IN
•
CONNECTION STYLE: DRAINAGE (PIPE) ALL ENDS
•
SPECIFICATION/STANDARD DATA: 96906-MS90522 GOVERNMENT STANDARD
•
MATERIAL: IRON OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A-126 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
LEG LENGTH3.062 INCHES NOMINAL ALL ENDS IN
FLOW ANGLE90.0 DEGREES
NOMINAL THREAD SIZE2.000 INCHES ALL ENDS IN
CONNECTION STYLEDRAINAGE (PIPE) ALL ENDS
SPECIFICATION/STANDARD DATA96906-MS90522 GOVERNMENT STANDARD
MATERIALIRON OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A-126 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD SERIES DESIGNATORNPT ALL ENDS
SWEEP TYPELONG
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
D72Interchangeable
interchangeable cross-reference
interchangeable
3092Interchangeable
interchangeable cross-reference
interchangeable
653171Interchangeable
interchangeable cross-reference
interchangeable
980059-01Interchangeable
interchangeable cross-reference
interchangeable
L901-4BAInterchangeable
interchangeable cross-reference
interchangeable
43043Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS90522-3L1?
MS90522-3L1 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace MS90522-3L1?
There are 17 known substitutes for MS90522-3L1: D72, 3092, 653171 and 14 more. Substitute compatibility should be verified for your specific system.
Is MS90522-3L1 still available?
MS90522-3L1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026