BYLB407 — WASHER,SPLIT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

BYLB407: WASHER,SPLIT.

The WASHER,SPLIT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 631 OVERALL, hole_diameter: 3.9955 INCHES MINIMUM AND 4.0050 INCHES MAXIMUM IN, hardness_rating: 39.0 ROCKWELL C NOMINAL, outside_diameter: 4.3750 INCHES MINIMUM AND 4.3755 INCHES MAXIMUM IN, special_features: COAT ALL OVER 0.0005/0.0003 IN. THICK WITH EVERLUBE 810 IN, style_designator: SPLIT.

This part is cataloged in the U.S. Government catalog under NSN 5310-01-223-7697, 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

BYLB407

NSN: 5310-01-223-7697
FSC: 5310 — Nuts and Washers
CAGE: 82151 — PACIFIC PISTON RING CO INC (USA)

SPECIFICATIONS

material	STEEL COMP 631 OVERALL
hole_diameter	3.9955 INCHES MINIMUM AND 4.0050 INCHES MAXIMUM IN
hardness_rating	39.0 ROCKWELL C NOMINAL
outside_diameter	4.3750 INCHES MINIMUM AND 4.3755 INCHES MAXIMUM IN
special_features	COAT ALL OVER 0.0005/0.0003 IN. THICK WITH EVERLUBE 810 IN
style_designator	SPLIT
material_thickness	0.029 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
distance_across_split_opening	0.008 INCHES MINIMUM AND 0.013 INCHES MAXIMUM IN
material_document_and_classification	AMS 5644 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-01-223-7697

COMPONENT DIAGRAM

KEY FEATURES

•

DISTANCE ACROSS SPLIT OPENING: 0.008 INCHES MINIMUM AND 0.013 INCHES MAXIMUM IN

•

HARDNESS RATING: 39.0 ROCKWELL C NOMINAL

•

STYLE DESIGNATOR: SPLIT

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5644 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

OUTSIDE DIAMETER: 4.3750 INCHES MINIMUM AND 4.3755 INCHES MAXIMUM IN

•

MATERIAL THICKNESS: 0.029 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN

•

MATERIAL: STEEL COMP 631 OVERALL

TECHNICAL CHARACTERISTICS

DISTANCE ACROSS SPLIT OPENING	0.008 INCHES MINIMUM AND 0.013 INCHES MAXIMUM IN
HARDNESS RATING	39.0 ROCKWELL C NOMINAL
STYLE DESIGNATOR	SPLIT
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5644 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER	4.3750 INCHES MINIMUM AND 4.3755 INCHES MAXIMUM IN
MATERIAL THICKNESS	0.029 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
SPECIAL FEATURES	COAT ALL OVER 0.0005/0.0003 IN. THICK WITH EVERLUBE 810 IN
MATERIAL	STEEL COMP 631 OVERALL
HOLE DIAMETER	3.9955 INCHES MINIMUM AND 4.0050 INCHES MAXIMUM IN

OTHER ITEMS IN FSC 5310 — Nuts and Washers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is BYLB407?

BYLB407 is a WASHER,SPLIT.

What is the NSN for BYLB407?

BYLB407 is cataloged in the U.S. Government catalog under NSN 5310-01-223-7697. This indicates validated use in U.S. government and defense supply chains.

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BYLB407 — WASHER,SPLIT

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