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123-2148 — VALVE,VACUUM REGULATING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

123-2148: VALVE,VACUUM REGULATING.

The VALVE,VACUUM REGULATING is a the manufacturer industrial component. Key specifications include special_features: USED ON 147-5286 LINES GROUP PILOT, HYDRAULIC SYSTEM, supplementary_features: EXCAVATOR 317BLN, end_item_identification: MODEL 420D BACKHOE LOADER, part_name_assigned_by_controlling_agency: VALVE GROUP - PILOT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-514-7350, 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
123-2148
NSN: 4820-01-514-7350
FSC: 4820 — Valves, Nonpowered
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
special_featuresUSED ON 147-5286 LINES GROUP PILOT, HYDRAULIC SYSTEM
supplementary_featuresEXCAVATOR 317BLN
end_item_identificationMODEL 420D BACKHOE LOADER
part_name_assigned_by_controlling_agencyVALVE GROUP - PILOT
NSN4820-01-514-7350
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 123-2148 · 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
•
SUPPLEMENTARY FEATURES: EXCAVATOR 317BLN
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESEXCAVATOR 317BLN
SPECIAL FEATURESUSED ON 147-5286 LINES GROUP PILOT, HYDRAULIC SYSTEM
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE GROUP - PILOT
END ITEM IDENTIFICATIONMODEL 420D BACKHOE LOADER
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 123-2148?
123-2148 is a VALVE,VACUUM REGULATING.
What is the NSN for 123-2148?
123-2148 is cataloged in the U.S. Government catalog under NSN 4820-01-514-7350. 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.