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PartsTable / COMPONENT / CB27785-001
CB27785-001 ✓ 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 material: PLASTIC NYLON LOCKING FEATURE, head_style: HEXAGON, head_height: 0.302 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.250 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN, fastener_length: 2.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-339-8162, 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
CB27785-001
NSN: 5305-01-339-8162
FSC: 5305
CAGE: 07270 — MOOG INC. DBA AMPAC-ISP CORP (USA)
SPECIFICATIONS
materialPLASTIC NYLON LOCKING FEATURE
head_styleHEXAGON
head_height0.302 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN
thread_class2A A
thread_length1.250 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
fastener_length2.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch13
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_document_and_classificationQQ-N-286 FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN5305-01-339-8162
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CB27785-001 · 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: 0.302 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: PLASTIC NYLON LOCKING FEATURE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
WIDTH BETWEEN FLATS: 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.302 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIALPLASTIC NYLON LOCKING FEATURE
PART NAME ASSIGNED BY CONTROLLING AGENCY1/2-13UNC-2AX2" LONG THREAD CLASS 2A, SELF LOCKING A
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALNICKEL ALLOY K-500 OR NICKEL ALLOY 502 OVERALL
WIDTH BETWEEN FLATS0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH2.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
CH34711Interchangeable
interchangeable cross-reference
interchangeable
34711Interchangeable
interchangeable cross-reference
interchangeable
45034999Interchangeable
interchangeable cross-reference
interchangeable
867738Interchangeable
interchangeable cross-reference
interchangeable
LB332AInterchangeable
interchangeable cross-reference
interchangeable
26250Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CB27785-001?
CB27785-001 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace CB27785-001?
There are 12 known substitutes for CB27785-001: CH34711, 34711, 45034999 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CB27785-001?
CB27785-001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-339-8162. 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