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Technical Data Sheet
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43921 — O-RING

✓ Government record, cited
Verbatim · ORING SEAL
PRODUCT OVERVIEW

43921: O-RING.

The award-winning Verbatim Clip-it USB Drive is the first USB Drive that can also be used as a paperclip. Designed by Arman Emami, Clip-it has been awarded the accolade of Red Dot 'Best of the Best' 2010. Available in a range of vibrant colours, Verbatim's Clip-it USB Drive combines flash storage with the simple functionality of a paperclip, making it a wonderfully practical solution for daily business or private users.

This part is cataloged in the U.S. Government catalog under NSN 5331-00-584-1589, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
43921
NSN: 5331-00-584-1589
NIINs: 005841589, 012011321, 012997547
FSC: 5331 — O-ring
CAGE: 78640 — MITSUBISHI CATERPILLAR FORKLIFT AMERICA, INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOAT
current_typeDC
terminal_typeSTUD
overall_length87.750 INCHES NOMINAL IN
voltage_rating10.0 VOLTS MINIMUM AND 12.0 VOLTS MAXIMUM
mounting_methodBRACKET(S)
pressure_rating400.000 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
actuation_methodFLOAT
terminal_quantity4
resistance_in_ohms10.000 PER INCH OF INDICATION
float_effective_travel77.000 INCHES NOMINAL IN
media_for_which_designedOIL
NSN5331-00-584-1589
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 43921 MFR: Verbatim ⚠ 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
•
CROSS-SECTIONAL HEIGHT: 0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 3
M383-16Reference document
Same NSN cross-reference
Reference document — Secondary reference
7629X16Reference document
Same NSN cross-reference
Reference document — Secondary reference
70099-16Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 43921?
43921 is a O-RING manufactured by Verbatim.
What parts can replace 43921?
There are 3 known substitutes for 43921: M383-16, 7629X16, 70099-16. Substitute compatibility should be verified for your specific system.
What is the NSN for 43921?
43921 is cataloged in the U.S. Government catalog under NSN 5331-00-584-1589. 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.