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7840-108PC999 — STEM,NEEDLE VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

7840-108PC999: STEM,NEEDLE VALVE.

The STEM,NEEDLE VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316, disk_style: NEEDLE NOSE, overall_length: 14.875 INCHES MINIMUM AND 15.125 INCHES MAXIMUM IN, special_features: INCLUDES STEM,DISC,DISC UION,STEM COLLAR & DISC SPRING, end_item_identification: 4820-01-625-1633, stem_actuating_end_type: KNOB. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-625-1095, 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
7840-108PC999
NSN: 4820-01-625-1095
FSC: 4820 — Valves, Nonpowered
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
materialSTEEL COMP 316
disk_styleNEEDLE NOSE
overall_length14.875 INCHES MINIMUM AND 15.125 INCHES MAXIMUM IN
special_featuresINCLUDES STEM,DISC,DISC UION,STEM COLLAR & DISC SPRING
end_item_identification4820-01-625-1633
stem_actuating_end_typeKNOB
valve_size_for_which_designed2.50 INCHES IN
material_document_and_classificationASTM A479 ASSN STD SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencySTEM-DISC ASSEMBLY
NSN4820-01-625-1095
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 7840-108PC999 · 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
•
STEM ACTUATING END TYPE: KNOB
•
DISK STYLE: NEEDLE NOSE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A479 ASSN STD SINGLE MATERIAL RESPONSE
•
VALVE SIZE FOR WHICH DESIGNED: 2.50 INCHES IN
TECHNICAL CHARACTERISTICS
STEM ACTUATING END TYPEKNOB
DISK STYLENEEDLE NOSE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A479 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH14.875 INCHES MINIMUM AND 15.125 INCHES MAXIMUM IN
VALVE SIZE FOR WHICH DESIGNED2.50 INCHES IN
SPECIAL FEATURESINCLUDES STEM,DISC,DISC UION,STEM COLLAR & DISC SPRING
PART NAME ASSIGNED BY CONTROLLING AGENCYSTEM-DISC ASSEMBLY
END ITEM IDENTIFICATION4820-01-625-1633
MATERIALSTEEL COMP 316
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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7840-108PC999?
7840-108PC999 is a STEM,NEEDLE VALVE.
What is the NSN for 7840-108PC999?
7840-108PC999 is cataloged in the U.S. Government catalog under NSN 4820-01-625-1095. 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.