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20A987K — VALVE,INLET 4TH CYLINDER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

20A987K: VALVE,INLET 4TH CYLINDER.

The VALVE,INLET 4TH CYLINDER is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STAINLESS STEEL,LENGTH 1.750 IN,MAJOR DIA 1.370 IN,MINIMUM DIA 1.078 IN. This part is cataloged in the U.S.

Government catalog under NSN 4310-00-467-9992, 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
20A987K
NSN: 4310-00-467-9992
FSC: 4310 — Compressors and Vacuum Pumps
CAGE: 9E328 — STEWARD MACHINE CO INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTAINLESS STEEL,LENGTH 1.750 IN,MAJOR DIA 1.370 IN,MINIMUM DIA 1.078 IN
NSN4310-00-467-9992
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,INLET 4TH CYLINDER TITLE COMPONENT PN 20A987K MFR VALVE,INLET 4TH CYLIND
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STAINLESS STEEL,LENGTH 1.750 IN,MAJOR DIA 1.370 IN,MINIMUM DIA 1.078 IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTAINLESS STEEL,LENGTH 1.750 IN,MAJOR DIA 1.370 IN,MINIMUM DIA 1.078 IN
OTHER ITEMS IN FSC 4310 — Compressors and Vacuum Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4310-00-000-0050 4310-00-001-0059 4310-00-001-2044 4310-00-001-3477 4310-00-001-3493 4310-00-001-6194 4310-00-001-6381 4310-00-001-7755
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 20A987K?
20A987K is a VALVE,INLET 4TH CYLINDER.
What is the NSN for 20A987K?
20A987K is cataloged in the U.S. Government catalog under NSN 4310-00-467-9992. 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.