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NAP 958 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

NAP 958: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: NICKEL ALLOY STEM, body_style: STRAIGHT THRU, valve_size: 1.250 INCHES IN, furnished_items: TAILPIECE W/GROOVES AND UNION NUT, regulation_type: AUTOMATIC SINGLE STAGE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-501-8721, 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
NAP 958
NSN: 4820-01-501-8721
NIINs: 015018721, 015019479, 015020502, 015020510, 015020525, 015020533
FSC: 4820 — Valves, Nonpowered
CAGE: 70667 — ATLAS VALVE CO (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialNICKEL ALLOY STEM
body_styleSTRAIGHT THRU
valve_size1.250 INCHES IN
furnished_itemsTAILPIECE W/GROOVES AND UNION NUT
regulation_typeAUTOMATIC SINGLE STAGE
valve_stem_designSINGLE SEAT
flow_control_deviceDISK, FLAT, TOP AND BOTTOM GUIDED
valve_loading_methodSPRING
face_to_face_distance8.688 INCHES NOMINAL IN
outlet_pressure_range25.0 TO 60.0 CAMERA MOUNT
end_connection_quantity2
NSN4820-01-501-8721
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NAP 958 · 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
SUBSTITUTES & CROSS-REFERENCES 5
ASTM F 1370Reference document
Same NSN cross-reference
Reference document — Secondary reference
ANAP958X0-901Reference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-V-2042Reference document
Same NSN cross-reference
Reference document — Secondary reference
NAP 958 CDS-1Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
ASTM F 1370-2AU1BSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is NAP 958?
NAP 958 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace NAP 958?
There are 5 known substitutes for NAP 958: ASTM F 1370, ANAP958X0-901, MIL-V-2042 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAP 958?
NAP 958 is cataloged in the U.S. Government catalog under NSN 4820-01-501-8721. This indicates validated use in U.S. government and defense supply chains.
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