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Technical Data Sheet
PartsTable / COMPONENT / 179887
179887 ✓ 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 TUBE ASSEMBLY,METAL is a the manufacturer industrial component. Key specifications include material: STEEL TUBING, wall_thickness: 0.049 INCHES NOMINAL IN, tube_outside_diameter: 1.500 INCHES NOMINAL IN, end_item_identification: FUEL DISCONNECT; ACFT T-33A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-021-7056, 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
179887
NSN: 5305-00-021-7056
FSC: 5305
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialSTEEL TUBING
wall_thickness0.049 INCHES NOMINAL IN
tube_outside_diameter1.500 INCHES NOMINAL IN
end_item_identificationFUEL DISCONNECT; ACFT T-33A A
NSN5305-00-021-7056
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 179887 · 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: 0.375 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
HEAD STYLE: HEXAGON
•
THREAD CLASS: 2A A
•
WIDTH BETWEEN FLATS: 0.750 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.375 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HEAD STYLEHEXAGON
THREAD CLASS2A A
WIDTH BETWEEN FLATS0.750 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH11
THREAD LENGTH1.250 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
179887Interchangeable
interchangeable cross-reference
interchangeable
6002610-2Interchangeable
interchangeable cross-reference
interchangeable
100161Interchangeable
interchangeable cross-reference
interchangeable
53D150552-11Interchangeable
interchangeable cross-reference
interchangeable
S106Interchangeable
interchangeable cross-reference
interchangeable
GGG-B-191Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 179887?
179887 is a TUBE ASSEMBLY,METAL.
What parts can replace 179887?
There are 17 known substitutes for 179887: 179887, 6002610-2, 100161 and 14 more. Substitute compatibility should be verified for your specific system.
Is 179887 still available?
179887 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026