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PartsTable / COMPONENT / 24978G2
24978G2 ✓ 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,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: FILLISTER, head_height: 0.111 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.208 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN, thread_length: 0.188 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 5305-00-991-5865, 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
24978G2
NSN: 5305-00-991-5865
FSC: 5305
CAGE: 94117 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DBA BAE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleFILLISTER
head_height0.111 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.208 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
thread_length0.188 INCHES NOMINAL IN
fastener_length0.500 INCHES NOMINAL IN
special_featuresFURNISHED W/ONE RECTANGULAR WASHER AND ONE NO. 6 SPLIT LOCK WASHER
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
internal_drive_styleSLOT
nominal_thread_diameter0.138 INCHES IN
NSN5305-00-991-5865
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 24978G2 · 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
•
MATERIAL: STEEL COMP 303 OVERALL
•
FIRST DIAMETER FROM HEAD: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.111 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN
•
HEAD STYLE: FILLISTER
•
INTERNAL DRIVE STYLE: SLOT
•
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 32
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 303 OVERALL
FIRST DIAMETER FROM HEAD0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
HEAD HEIGHT0.111 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLESLOT
FASTENER LENGTH0.500 INCHES NOMINAL IN
THREAD QUANTITY PER INCH32
THREAD CLASS2A A
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
36009Interchangeable
Premium Services Plan f/ PX12R-350R, 2TB Kit, 3Y, 4h, 24x7
interchangeable
AS3570-225Interchangeable
interchangeable cross-reference
interchangeable
7F8267Interchangeable
interchangeable cross-reference
interchangeable
24978Interchangeable
interchangeable cross-reference
interchangeable
174AS570Interchangeable
interchangeable cross-reference
interchangeable
LW1932-3 P/N 24978Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 24978G2?
24978G2 is a SCREW,EXTERNALLY RELIEVED BODY.
What parts can replace 24978G2?
There are 6 known substitutes for 24978G2: 36009, AS3570-225, 7F8267 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 24978G2?
24978G2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-991-5865. 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