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Technical Data Sheet
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425593 — BOLT,ASSEMBLED WASHER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

425593: BOLT,ASSEMBLED WASHER.

The BOLT,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OVERALL, head_style: HEXAGON, head_height: 0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.980 INCHES MINIMUM AND 1.095 INCHES MAXIMUM IN, fastener_length: 1.063 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-015-5673, 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
425593
NSN: 5306-01-015-5673
FSC: 5306 — Bolts
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OVERALL
head_styleHEXAGON
head_height0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
thread_class2A A
thread_length0.980 INCHES MINIMUM AND 1.095 INCHES MAXIMUM IN
fastener_length1.063 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
washer_quantity1
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_between_flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
primary_washer_styleFLAT EXTERNAL TEETH
NSN5306-01-015-5673
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 425593 · 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
•
HEAD HEIGHT: 0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.063 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 57-0-2,TY 1,CL RS FED SPEC ALL TREATMENT RESPONSES OR TS 21450 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
PRIMARY WASHER OUTSIDE DIAMETER: 0.567 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.980 INCHES MINIMUM AND 1.095 INCHES MAXIMUM IN
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
FASTENER LENGTH1.063 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION57-0-2,TY 1,CL RS FED SPEC ALL TREATMENT RESPONSES OR TS 21450 FED SPEC ALL TREATMENT RESPONSES OVERALL
PRIMARY WASHER OUTSIDE DIAMETER0.567 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN
THREAD LENGTH0.980 INCHES MINIMUM AND 1.095 INCHES MAXIMUM IN
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEHEXAGON
PRIMARY WASHER STYLEFLAT EXTERNAL TEETH
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 1
5306010155673Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 425593?
425593 is a BOLT,ASSEMBLED WASHER.
What parts can replace 425593?
There is 1 known substitute for 425593: 5306010155673. Substitute compatibility should be verified for your specific system.
What is the NSN for 425593?
425593 is cataloged in the U.S. Government catalog under NSN 5306-01-015-5673. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.