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277 ITEM 26 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

277 ITEM 26: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010, body_width: 4.281 INCHES NOMINAL IN, body_height: 0.485 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN, body_length: 2.219 INCHES NOMINAL IN, terminal_type: WIRE LEAD, first_leg_angle: 90.0 DEGREES NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-299-4989, 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
277 ITEM 26
NSN: 5310-01-299-4989
NIINs: 012994989, 012997246
FSC: 5310 — Nuts and Washers
CAGE: U3374 — CAT PUMPS (UK) LTD (GBR)
SPECIFICATIONS
materialSTEEL COMP 1010
body_width4.281 INCHES NOMINAL IN
body_height0.485 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
body_length2.219 INCHES NOMINAL IN
terminal_typeWIRE LEAD
first_leg_angle90.0 DEGREES NOMINAL
first_leg_styleSQUARE
first_leg_width32.000 MILLIMETERS NOMINAL MM
terminal_length3.125 INCHES NOMINAL IN
first_leg_length26.900 MILLIMETERS NOMINAL MM
inclosure_methodENCAPSULATED
second_leg_styleEND RADIUS
NSN5310-01-299-4989
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 277 ITEM 26 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 3
711033-098Reference document
Same NSN cross-reference
Reference document — Secondary reference
44041Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
710018-65Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 277 ITEM 26?
277 ITEM 26 is a BEARING,BALL,ANNULAR.
What parts can replace 277 ITEM 26?
There are 3 known substitutes for 277 ITEM 26: 711033-098, 44041, 710018-65. Substitute compatibility should be verified for your specific system.
What is the NSN for 277 ITEM 26?
277 ITEM 26 is cataloged in the U.S. Government catalog under NSN 5310-01-299-4989. This indicates validated use in U.S. government and defense supply chains.
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