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4D3907 — SPACER,PLATE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4D3907: SPACER,PLATE.

The SPACER,PLATE is a the manufacturer industrial component. Key specifications include material: STEEL, overall_width: 8.010 INCHES NOMINAL IN, overall_length: 8.010 INCHES NOMINAL IN, special_features: BOLT HOLES ON OPPOSITE SIDES NON-PARALLEL, style_designator: NON-CIRCULAR W/BOLT HOLES, aperture_diameter: 6.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-522-3288, 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
4D3907
NSN: 5310-00-522-3288
NIINs: 005223288, 010951309
FSC: 5310 — Nuts and Washers
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
materialSTEEL
overall_width8.010 INCHES NOMINAL IN
overall_length8.010 INCHES NOMINAL IN
special_featuresBOLT HOLES ON OPPOSITE SIDES NON-PARALLEL
style_designatorNON-CIRCULAR W/BOLT HOLES
aperture_diameter6.500 INCHES NOMINAL IN
outside_corner_radius0.880 INCHES NOMINAL IN
material_document_and_classification1E728CF,FSCM 11083 ASSN STD SINGLE MATERIAL RESPONSE
outside_edge_to_bolt_hole_center_distance_along_width0.880 INCHES NOMINAL IN
outside_edge_to_bolt_hole_center_distance_along_length0.880 INCHES NOMINAL IN
center_to_center_distance_between_bolt_holes_along_width6.250 INCHES NOMINAL IN
center_to_center_distance_between_bolt_holes_along_length6.250 INCHES NOMINAL IN
NSN5310-00-522-3288
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4D3907 · 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
KEY FEATURES
•
HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SPRING TENSION
•
OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.0317 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.0797 INCHES NOMINAL IN
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSPRING TENSION
OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
MATERIAL THICKNESS0.0317 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOLE DIAMETER1.000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
1231234-8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4D3907?
4D3907 is a SPACER,PLATE.
What parts can replace 4D3907?
There is 1 known substitute for 4D3907: 1231234-8. Substitute compatibility should be verified for your specific system.
What is the NSN for 4D3907?
4D3907 is cataloged in the U.S. Government catalog under NSN 5310-00-522-3288. This indicates validated use in U.S. government and defense supply chains.
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