PartsTable
Technical Data Sheet
Download PDF

R331 — RESISTOR,FIXED,WIRE WOUND

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

R331: RESISTOR,FIXED,WIRE WOUND.

The RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include body_width: 0.844 INCHES NOMINAL IN, body_height: 0.612 INCHES NOMINAL IN, body_length: 1.960 INCHES NOMINAL IN, body_diameter: 0.313 INCHES NOMINAL IN, terminal_type: TAB, SOLDER LUG, inclosure_type: ENCASED. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-245-7887, 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→ R331
NSN: 4820-00-245-7887
NIINs: 002457887, 009680017, 015640237
FSC: 4820 — Valves, Nonpowered
CAGE: 11331 — WILLIAMS CONTROLS INC (USA)
SPECIFICATIONS
body_width0.844 INCHES NOMINAL IN
body_height0.612 INCHES NOMINAL IN
body_length1.960 INCHES NOMINAL IN
body_diameter0.313 INCHES NOMINAL IN
terminal_typeTAB, SOLDER LUG
inclosure_typeENCASED
terminal_length0.438 INCHES NOMINAL IN
style_designatorAXIAL TERMINAL (S)
component_quantity22
mounting_hole_size0.125 INCHES NOMINAL IN
electrical_resistance100.000 OHMS
reliability_indicatorNOT ESTABLISHED
NSN4820-00-245-7887
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: R331 · 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
•
COMPONENT QUANTITY: 22
•
NONSUPPLY ITEMS AND QUANTITIES: STEM 1; PUSH PIN 1; SPRING 1; POPPET 1; GASKET 1; SCREWS 10; RETAINING RINGS 4; SCREEN 2; DUST BOOT 1.
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY22
NONSUPPLY ITEMS AND QUANTITIESSTEM 1; PUSH PIN 1; SPRING 1; POPPET 1; GASKET 1; SCREWS 10; RETAINING RINGS 4; SCREEN 2; DUST BOOT 1.
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy R331?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is R331?
R331 is a RESISTOR,FIXED,WIRE WOUND. It is classified as a MRO (MRO_GENERAL).
What is the NSN for R331?
R331 is cataloged in the U.S. Government catalog under NSN 4820-00-245-7887. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — R331

✓ 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.