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64741 — DISK,VALVE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

64741: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include head_style: FLAT CHAMFER, head_height: 0.025 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.150 INCHES NOMINAL IN, thread_length: 0.050 INCHES MINIMUM IN, fastener_length: 0.070 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-282-5344, 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
64741
NSN: 5325-00-282-5344
NIINs: 002825344, 003710811, 012115591
FSC: 5325 — Fastening Devices
CAGE: 35301 — DRESSER INDUSTRIES INC LEROI DIV (USA)
SPECIFICATIONS
head_styleFLAT CHAMFER
head_height0.025 INCHES NOMINAL IN
thread_class3A A
head_diameter0.150 INCHES NOMINAL IN
thread_length0.050 INCHES MINIMUM IN
fastener_length0.070 INCHES NOMINAL IN
hardness_rating95.5 ROCKWELL B NOMINAL
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.060 INCHES IN
thread_quantity_per_inch80
thread_series_designatorUNF
NSN5325-00-282-5344
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 64741 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL HARDNESS RATING: 66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
•
USAGE DESIGN: EXTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66,1066 TO 1090 FED STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MAJOR THICKNESS: 0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.491 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: C
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
USAGE DESIGNEXTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,1066 TO 1090 FED STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MAJOR THICKNESS0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
INSIDE DIAMETER0.491 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEC
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 9
N1800-56Reference document
Same NSN cross-reference
Reference document — Secondary reference
5103-56Reference document
Same NSN cross-reference
Reference document — Secondary reference
N1800-56ASReference document
Same NSN cross-reference
Reference document — Secondary reference
22327XReference document
Same NSN cross-reference
Reference document — Secondary reference
MS16632-56Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
12Z5040-13Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 64741?
64741 is a DISK,VALVE.
What parts can replace 64741?
There are 9 known substitutes for 64741: N1800-56, 5103-56, N1800-56AS and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 64741?
64741 is cataloged in the U.S. Government catalog under NSN 5325-00-282-5344. This indicates validated use in U.S. government and defense supply chains.
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