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NPR4100SK2P4B — VALVE,VACUUM REGULATING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

NPR4100SK2P4B: VALVE,VACUUM REGULATING.

The VALVE,VACUUM REGULATING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT, body_material: STEEL COMP 316L, special_features: FEMALE: 1/4" NPT, PORT: 2, INLET GUAGE: 4, part_name_assigned_by_controlling_agency: NEGATIVE PRESSURE REGULATOR. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-623-7673, 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
NPR4100SK2P4B
NSN: 4820-01-623-7673
FSC: 4820 — Valves, Nonpowered
CAGE: 43030 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV VERIFLO DIVISION (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE SEAT
body_materialSTEEL COMP 316L
special_featuresFEMALE: 1/4" NPT, PORT: 2, INLET GUAGE: 4
part_name_assigned_by_controlling_agencyNEGATIVE PRESSURE REGULATOR
NSN4820-01-623-7673
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NPR4100SK2P4B · 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
•
BODY MATERIAL: STEEL COMP 316L
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE SEAT
TECHNICAL CHARACTERISTICS
BODY MATERIALSTEEL COMP 316L
SPECIAL FEATURESFEMALE: 1/4" NPT, PORT: 2, INLET GUAGE: 4
PART NAME ASSIGNED BY CONTROLLING AGENCYNEGATIVE PRESSURE REGULATOR
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAT
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 NPR4100SK2P4B?
NPR4100SK2P4B is a VALVE,VACUUM REGULATING.
What is the NSN for NPR4100SK2P4B?
NPR4100SK2P4B is cataloged in the U.S. Government catalog under NSN 4820-01-623-7673. 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.