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00243 — WASHER,FLAT

✓ Government record, cited
InLine · NUT WASHER
PRODUCT OVERVIEW

00243: WASHER,FLAT.

Flexible installation option: Suitable for 8.89cm (3.5") hard disks in 13.34cm (5.25") bay. Effective vibration damping: Four integrated rubber bearings mechanically decouple the hard drive. Optimized drive quietness: Minimizes the transmission of disturbing noises to the housing.

Rugged construction: The metal housing ensures stable and durable installation. Includes mounting material: Supplied with four drive screws and four hard disk screws. The InLine® hard disk decoupler was specially designed for professional use in desktop systems, workstations or industrial PCs.

It enables the installation of an 8.89 cm (3.5") hard disk in a free 13.34 cm (5.25") bay. The robust metal design enables secure and permanent installation. The special feature is the effective mechanical decoupling: four elastic rubber bearings prevent the transmission of vibrations and associated noise to the PC housing.

This is particularly advantageous in noise-se This part is cataloged in the U.S. Government catalog under NSN 5310-00-290-9951, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
00243
NSN: 5310-00-290-9951
NIINs: 002909951, 016992167
FSC: 5310 — Nuts and Washers
CAGE: 14153 — DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
thickness0.094 INCHES NOMINAL IN
hole_diameter0.391 INCHES NOMINAL IN
overall_diameter0.562 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationMIL-R-1149,TY 1,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-290-9951
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 00243 · InLine ⚠ 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
KEY FEATURES
•
OVERALL DIAMETER: 0.562 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-1149,TY 1,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.391 INCHES NOMINAL IN
•
THICKNESS: 0.094 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.562 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-1149,TY 1,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALRUBBER SYNTHETIC OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.391 INCHES NOMINAL IN
THICKNESS0.094 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
MIL-G-1149C T1 C1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 00243?
00243 is a WASHER,FLAT manufactured by InLine.
What parts can replace 00243?
There is 1 known substitute for 00243: MIL-G-1149C T1 C1. Substitute compatibility should be verified for your specific system.
What is the NSN for 00243?
00243 is cataloged in the U.S. Government catalog under NSN 5310-00-290-9951. This indicates validated use in U.S. government and defense supply chains.
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