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13D0021-121 — BOLT,ASSEMBLED WASHER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

13D0021-121: BOLT,ASSEMBLED WASHER.

The BOLT,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303SE STAND-OFF, head_style: HEXAGON, head_height: 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.345 INCHES NOMINAL IN, fastener_length: 1.642 INCHES MINIMUM AND 1.672 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-487-1874, 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
13D0021-121
NSN: 5306-01-487-1874
FSC: 5306 — Bolts
CAGE: 0F658 — AMERICAN METALS & MACHINING (USA)
SPECIFICATIONS
materialSTEEL COMP 303SE STAND-OFF
head_styleHEXAGON
head_height0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
thread_class3A A
thread_length0.345 INCHES NOMINAL IN
fastener_length1.642 INCHES MINIMUM AND 1.672 INCHES MAXIMUM IN
washer_quantity1
special_featuresITEM CONSITS OF NAS6703 BOLT, SPACER, WASHER AND A TAB
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_between_flats0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
primary_washer_styleFINISHING
NSN5306-01-487-1874
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 13D0021-121 · 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: 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.642 INCHES MINIMUM AND 1.672 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
PRIMARY WASHER OUTSIDE DIAMETER: 0.405 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.345 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: HEXAGON
•
PRIMARY WASHER STYLE: FINISHING
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
FASTENER LENGTH1.642 INCHES MINIMUM AND 1.672 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
PRIMARY WASHER OUTSIDE DIAMETER0.405 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
THREAD LENGTH0.345 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEHEXAGON
PRIMARY WASHER STYLEFINISHING
THREAD DIRECTIONRIGHT-HAND
PRIMARY WASHER MATERIAL THICKNESS0.005 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
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 13D0021-121?
13D0021-121 is a BOLT,ASSEMBLED WASHER.
What is the NSN for 13D0021-121?
13D0021-121 is cataloged in the U.S. Government catalog under NSN 5306-01-487-1874. This indicates validated use in U.S. government and defense supply chains.
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