PartsTable
Technical Data Sheet
PartsTable / MRO / 161040
161040 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include material: STEEL CASE, body_style: HOLE MOUNTED, body_width: 0.250 INCHES NOMINAL IN, case_style: SQUARE, seal_width: 0.625 INCHES NOMINAL IN, body_height: 0.437 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-178-5177, 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→ 161040
NSN: 5330-00-178-5177
FSC: 5330
CAGE: 37999 — EX-CELL-O CORP MACHINE TOOL PRODUCTS DIV (USA)
SPECIFICATIONS
materialSTEEL CASE
body_styleHOLE MOUNTED
body_width0.250 INCHES NOMINAL IN
case_styleSQUARE
seal_width0.625 INCHES NOMINAL IN
body_height0.437 INCHES NOMINAL IN
body_length0.786 INCHES NOMINAL IN
actuator_styleRECTANGULAR
actuator_width0.125 INCHES NOMINAL IN
inclosure_typeUNINCLOSED
actuator_height0.078 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN
actuator_length0.125 INCHES NOMINAL IN
NSN5330-00-178-5177
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 161040 MFR: OEM ⚠ 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
•
ACCOMMODATED SHAFT DIAMETER: 3.250 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
SEALING ELEMENT STYLE: ANGULAR
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
SEAL WIDTH: 0.625 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
HOUSING BORE DIAMETER: 4.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER3.250 INCHES NOMINAL IN
CASE STYLESQUARE
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
SEAL WIDTH0.625 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
HOUSING BORE DIAMETER4.500 INCHES NOMINAL IN
MATERIALSTEEL CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
35-001Interchangeable
interchangeable cross-reference
interchangeable
61-040Interchangeable
interchangeable cross-reference
interchangeable
D340Interchangeable
interchangeable cross-reference
interchangeable
82982Interchangeable
interchangeable cross-reference
interchangeable
MS25476-1Interchangeable
interchangeable cross-reference
interchangeable
16-1040Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 161040?
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 161040?
161040 is a RESISTOR,VARIABLE,WIRE WOUND,NON. It is classified as a MRO (MRO_GENERAL).
What parts can replace 161040?
There are 11 known substitutes for 161040: 35-001, 61-040, D340 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 161040?
161040 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-178-5177. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 161040

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026