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N7281 — END BELL,ELECTRICAL ROTATING EQU

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

N7281: END BELL,ELECTRICAL ROTATING EQU.

END BELL,ELECTRICAL ROTATING EQU. Key specifications include width: 0.625 INCHES NOMINAL IN, length: 25.000 FEET MINIMUM AND 50.000 FEET MAXIMUM FT, material: PLASTIC POLYAMIDE NYLON, thickness: 0.040 INCHES NOMINAL IN, design_type: MACHINE SCREW, special_features: COLOR BLACK. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-145-1294, 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
N7281
NSN: 5340-01-145-1294
NIINs: 011451294, 011662325
FSC: 5340 — Hardware, Commercial
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
width0.625 INCHES NOMINAL IN
length25.000 FEET MINIMUM AND 50.000 FEET MAXIMUM FT
materialPLASTIC POLYAMIDE NYLON
thickness0.040 INCHES NOMINAL IN
design_typeMACHINE SCREW
special_featuresCOLOR BLACK
breaking_strength85.0 POUNDS NOMINAL LBS
perforation_featureINCLUDED
mounting_configuration18 8-32UNC-2B 0.440 IN. DIA IN
end_item_identificationENGINE,GENERATOR ACCESSORY,C.E.NIEHOFF AND CO.,MODEL N1304-1
environmental_protectionCORROSION RESISTANT AND SALT WATER RESISTANT
NSN5340-01-145-1294
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N7281 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
•
LENGTH: 25.000 FEET MINIMUM AND 50.000 FEET MAXIMUM FT
•
DESIGN TYPE: MACHINE SCREW
•
BREAKING STRENGTH: 85.0 POUNDS NOMINAL LBS
•
WIDTH: 0.625 INCHES NOMINAL IN
•
PERFORATION FEATURE: INCLUDED
•
MATERIAL: PLASTIC POLYAMIDE NYLON
•
THICKNESS: 0.040 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH25.000 FEET MINIMUM AND 50.000 FEET MAXIMUM FT
DESIGN TYPEMACHINE SCREW
BREAKING STRENGTH85.0 POUNDS NOMINAL LBS
SPECIAL FEATURESCOLOR BLACK
WIDTH0.625 INCHES NOMINAL IN
PERFORATION FEATUREINCLUDED
MATERIALPLASTIC POLYAMIDE NYLON
THICKNESS0.040 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 7
S7NY281BK-DReference document
Same NSN cross-reference
Reference document — Secondary reference
S7NY281BK-LReference document
Same NSN cross-reference
Reference document — Secondary reference
A647-235Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
647A010834Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
S7NY281BK-EReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
57NY281BK-LReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N7281?
N7281 is a END BELL,ELECTRICAL ROTATING EQU.
What parts can replace N7281?
There are 7 known substitutes for N7281: S7NY281BK-D, S7NY281BK-L, A647-235 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N7281?
N7281 is cataloged in the U.S. Government catalog under NSN 5340-01-145-1294. This indicates validated use in U.S. government and defense supply chains.
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