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8662B — 8662B

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

8662B: 8662B.

The 8662B is a the manufacturer industrial component. Key specifications include end_item_identification: ELECTRONIC FIELD, INTERFERENCE MEASURMENT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-277-8448, 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
MRO→ MRO_GENERAL→ 8662B
NSN: 4820-01-277-8448
NIINs: 012778448, 013892691
FSC: 4820 — Valves, Nonpowered
CAGE: 8FGX3 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
end_item_identificationELECTRONIC FIELD, INTERFERENCE MEASURMENT
NSN4820-01-277-8448
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8662B · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONDRESSER-RAND,COMPRESSOR,MODEL 13/20NL
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 1
230502N1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8662B?
8662B is a 8662B. It is classified as a MRO (MRO_GENERAL).
What parts can replace 8662B?
There is 1 known substitute for 8662B: 230502N1. Substitute compatibility should be verified for your specific system.
What is the NSN for 8662B?
8662B is cataloged in the U.S. Government catalog under NSN 4820-01-277-8448. 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.