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10-321 — RESISTOR,VARIABLE,NONWIRE WOUND,

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

10-321: RESISTOR,VARIABLE,NONWIRE WOUND,.

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: STEEL OVERALL, duty_type: CONTINUOUS, end_style: SPRING END,SQUARED BOTH ENDS, nut_style: HEXAGON, case_style: SQUARE, head_style: FILLISTER. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-081-1691, 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→ 10-321
NSN: 5330-00-081-1691
NIINs: 000811691, 002081862, 002598957, 002750551, 004178175, 005211388, 008321582, 008648044, 008791272, 009597600, 009885708, 010131432, 010839457, 012614127, 014962317, 015230810, 015653089, 015667947, 016576001, 016779953
FSC: 5330 — Packing and Gasket Materials
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
duty_typeCONTINUOUS
end_styleSPRING END,SQUARED BOTH ENDS
nut_styleHEXAGON
case_styleSQUARE
head_styleFILLISTER
nut_height0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
point_typeSPLIT
seal_width0.312 INCHES NOMINAL IN
shaft_typeROUND, FLATTED SINGLE ACTUATOR
shell_typeSOLID
time_delay0.007 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
NSN5330-00-081-1691
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 10-321 MFR: Ugreen ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SEAL WIDTH: 0.312 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 1.499 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 1.031 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.312 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER1.499 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER1.031 INCHES NOMINAL IN
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 1
048661Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10-321?
10-321 is a RESISTOR,VARIABLE,NONWIRE WOUND, manufactured by Ugreen. It is classified as a MRO (MRO_GENERAL).
What parts can replace 10-321?
There is 1 known substitute for 10-321: 048661. Substitute compatibility should be verified for your specific system.
What is the NSN for 10-321?
10-321 is cataloged in the U.S. Government catalog under NSN 5330-00-081-1691. 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.