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PartsTable / COMPONENT / 1DD722
1DD722 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.125 INCHES NOMINAL IN, fastener_length: 5.250 INCHES MINIMUM IN, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-156-5441, 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
1DD722
NSN: 5305-01-156-5441
FSC: 5305
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
thread_class2A A
thread_length1.125 INCHES NOMINAL IN
fastener_length5.250 INCHES MINIMUM IN
thread_directionRIGHT-HAND
width_between_flats0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
nominal_thread_diameter0.438 INCHES IN
thread_quantity_per_inch14
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-156-5441
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1DD722 · 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
•
NOMINAL THREAD DIAMETER: 0.438 INCHES IN
•
THREAD LENGTH: 1.125 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 14
•
THREAD CLASS: 2A A
•
WIDTH BETWEEN FLATS: 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
FASTENER LENGTH: 5.250 INCHES MINIMUM IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.438 INCHES IN
THREAD LENGTH1.125 INCHES NOMINAL IN
THREAD QUANTITY PER INCH14
THREAD CLASS2A A
WIDTH BETWEEN FLATS0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
FASTENER LENGTH5.250 INCHES MINIMUM IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HEAD HEIGHT0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
0213994Interchangeable
interchangeable cross-reference
interchangeable
5306001744312Interchangeable
interchangeable cross-reference
interchangeable
5307299Interchangeable
interchangeable cross-reference
interchangeable
5305008416485Interchangeable
interchangeable cross-reference
interchangeable
187425Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1DD722?
1DD722 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 1DD722?
There are 5 known substitutes for 1DD722: 0213994, 5306001744312, 5307299 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1DD722?
1DD722 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-156-5441. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026