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Technical Data Sheet
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500397 ✓ 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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: STEEL OVERALL, hole_type: DRILLED, head_style: HEXAGON, head_height: 0.156 INCHES NOMINAL IN, thread_class: 3A A, hole_diameter: 0.047 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-045-9833, 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
500397
NSN: 4730-00-045-9833
FSC: 4730
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_typeDRILLED
head_styleHEXAGON
head_height0.156 INCHES NOMINAL IN
thread_class3A A
hole_diameter0.047 INCHES NOMINAL IN
hole_quantity3
thread_length0.250 INCHES NOMINAL IN
fastener_length0.250 INCHES NOMINAL IN
style_designatorCONCENTRIC HOLE UNTHREADED
thread_directionRIGHT-HAND
width_between_flats0.312 INCHES NOMINAL IN
NSN4730-00-045-9833
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 500397 · 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
•
BODY LENGTH: 0.750 INCHES MINIMUM AND 0.790 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-I-666,GR 1 FED SPEC 1ST MATERIAL RESPONSE OR QQ-I-666,GR 2 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-681 FED SPEC 2ND MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: PLUG, MAGNETIC
•
MATERIAL: IRON OR STEEL OVERALL
•
THREAD DIRECTION: RIGHT-HAND EXTERNAL
•
THREAD SERIES DESIGNATOR: NPTF EXTERNAL
•
NOMINAL THREAD SIZE: 1.000 INCHES EXTERNAL IN
•
MAGNET PROJECTION LENGTH: 0.500 INCHES NOMINAL IN
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)
BODY LENGTH0.750 INCHES MINIMUM AND 0.790 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-I-666,GR 1 FED SPEC 1ST MATERIAL RESPONSE OR QQ-I-666,GR 2 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-681 FED SPEC 2ND MATERIAL RESPONSE OVERALL
STYLE DESIGNATORPLUG, MAGNETIC
MATERIALIRON OR STEEL OVERALL
THREAD DIRECTIONRIGHT-HAND EXTERNAL
THREAD SERIES DESIGNATORNPTF EXTERNAL
NOMINAL THREAD SIZE1.000 INCHES EXTERNAL IN
MAGNET PROJECTION LENGTH0.500 INCHES NOMINAL IN
CONNECTION STYLEPLAIN
MAGNET LIFT RATING6.0 OUNCES OZ
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
AA59432-01Interchangeable
interchangeable cross-reference
interchangeable
MIL-P-54001Interchangeable
interchangeable cross-reference
interchangeable
A-A-59432Interchangeable
interchangeable cross-reference
interchangeable
500BDInterchangeable
interchangeable cross-reference
interchangeable
13207E5470FN16Interchangeable
interchangeable cross-reference
interchangeable
500Z9AQInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 500397?
500397 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 500397?
There are 34 known substitutes for 500397: AA59432-01, MIL-P-54001, A-A-59432 and 31 more. Substitute compatibility should be verified for your specific system.
Is 500397 still available?
500397 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