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Technical Data Sheet
PartsTable / COMPONENT / 1C848
1C848 ✓ 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

TEST STATION,FUEL CONTROL SYSTEM. Key specifications include end_item_identification: B-1B AIRCRAFT, reference_data_and_literature: TO 33D4-6-65-14, part_name_assigned_by_controlling_agency: TEST STAND,FUEL ACC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-021-3827, 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
1C848
NSN: 5305-00-021-3827
FSC: 5305
CAGE: 12603 — CLARK EQUIPMENT CO (USA)
SPECIFICATIONS
end_item_identificationB-1B AIRCRAFT
reference_data_and_literatureTO 33D4-6-65-14
part_name_assigned_by_controlling_agencyTEST STAND,FUEL ACC
NSN5305-00-021-3827
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1C848 · 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: 0.500 INCHES IN
•
HEAD HEIGHT: 0.375 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL: STEEL OVERALL
•
THREAD QUANTITY PER INCH: 13
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
THREAD LENGTH: 1.250 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD HEIGHT0.375 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
THREAD QUANTITY PER INCH13
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD LENGTH1.250 INCHES MINIMUM IN
WIDTH BETWEEN FLATS0.750 INCHES NOMINAL IN
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
CHA415-73Interchangeable
interchangeable cross-reference
interchangeable
1C848Interchangeable
interchangeable cross-reference
interchangeable
D20297Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1C848?
1C848 is a TEST STATION,FUEL CONTROL SYSTEM.
What parts can replace 1C848?
There are 3 known substitutes for 1C848: CHA415-73, 1C848, D20297. Substitute compatibility should be verified for your specific system.
What is the NSN for 1C848?
1C848 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-021-3827. 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