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13D0021-434 — BOLT,ASSEMBLED WASHER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

13D0021-434: BOLT,ASSEMBLED WASHER.

The BOLT,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303SE STAND-OFF, head_style: DISHED HEXAGON, head_height: 0.188 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.578 INCHES MAXIMUM IN, fastener_length: 2.703 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-423-0891, 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
13D0021-434
NSN: 5306-01-423-0891
FSC: 5306 — Bolts
CAGE: 1Z537 — BUENA PARK TOOL & ENGINEERING, INC DBA BUENA PARK TOOL (USA)
SPECIFICATIONS
materialSTEEL COMP 303SE STAND-OFF
head_styleDISHED HEXAGON
head_height0.188 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
thread_class3A A
thread_length0.578 INCHES MAXIMUM IN
fastener_length2.703 INCHES NOMINAL IN
washer_quantity1
special_featuresFURNISHED WITH TAB, NSN4030-01-325-2632
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_between_flats0.554 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
primary_washer_styleSPRING TENSION
NSN5306-01-423-0891
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 13D0021-434 · 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: 0.188 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.703 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
PRIMARY WASHER OUTSIDE DIAMETER: 0.600 INCHES NOMINAL IN
•
THREAD LENGTH: 0.578 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.188 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
FASTENER LENGTH2.703 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
PRIMARY WASHER OUTSIDE DIAMETER0.600 INCHES NOMINAL IN
THREAD LENGTH0.578 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582, COND A ASSN STD SINGLE MATERIAL RESPONSE STAND-OFF
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000, COND A MIL SPEC SINGLE MATERIAL RESPONSE FIRST SHOULDER
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEDISHED HEXAGON
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 13D0021-434?
13D0021-434 is a BOLT,ASSEMBLED WASHER.
What is the NSN for 13D0021-434?
13D0021-434 is cataloged in the U.S. Government catalog under NSN 5306-01-423-0891. This indicates validated use in U.S. government and defense supply chains.
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