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1H9588 — CAP,FILLER OPENING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1H9588: CAP,FILLER OPENING.

The CAP,FILLER OPENING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, thread_class: 2A A, thread_length: 0.312 INCHES NOMINAL IN, overall_height: 1.300 INCHES NOMINAL IN, thread_diameter: 1.438 INCHES NOMINAL IN, thread_quantity: 12.000 PER INCH. This part is cataloged in the U.S.

Government catalog under NSN 2590-00-920-8235, 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
1H9588
NSN: 2590-00-920-8235
FSC: 2590 — Miscellaneous Vehicular Components
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thread_class2A A
thread_length0.312 INCHES NOMINAL IN
overall_height1.300 INCHES NOMINAL IN
thread_diameter1.438 INCHES NOMINAL IN
thread_quantity12.000 PER INCH
outside_diameter1.783 INCHES NOMINAL IN
style_designatorTHREADED TYPE-INTERNAL
accommodation_typeHEXAGON END GRIPPING
pressure_relief_methodAUTOMATIC
thread_pitch_diameters+1.4459 TO 1.4542 INCHES IN
maximum_working_pressure45.000 POUNDS PER SQUARE INCH (PSI) LBS
NSN2590-00-920-8235
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAP,FILLER OPENING TITLE COMPONENT PN 1H9588 MFR CAP,FILLER OPENING
KEY FEATURES
•
ACCOMMODATION TYPE: HEXAGON END GRIPPING
•
THREAD LENGTH: 0.312 INCHES NOMINAL IN
•
STYLE DESIGNATOR: THREADED TYPE-INTERNAL
•
FILLER NECK DIAMETER FOR WHICH DESIGNED: 1.438 INCHES NOMINAL IN
•
THREAD PITCH DIAMETERS: +1.4459 TO 1.4542 INCHES IN
•
THREAD DIAMETER: 1.438 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 41 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.300 INCHES NOMINAL IN
ACCOMMODATION TYPEHEXAGON END GRIPPING
THREAD LENGTH0.312 INCHES NOMINAL IN
STYLE DESIGNATORTHREADED TYPE-INTERNAL
FILLER NECK DIAMETER FOR WHICH DESIGNED1.438 INCHES NOMINAL IN
THREAD PITCH DIAMETERS+1.4459 TO 1.4542 INCHES IN
THREAD DIAMETER1.438 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 41 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.783 INCHES NOMINAL IN
SYSTEM FOR WHICH DESIGNEDPRESSURIZED
OTHER ITEMS IN FSC 2590 — Miscellaneous Vehicular Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2590-00-001-1252 2590-00-001-1253 2590-00-001-1254 2590-00-001-3423 2590-00-001-3438 2590-00-001-3439 2590-00-001-3461 2590-00-001-3463
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1H9588?
1H9588 is a CAP,FILLER OPENING.
What is the NSN for 1H9588?
1H9588 is cataloged in the U.S. Government catalog under NSN 2590-00-920-8235. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.