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Technical Data Sheet
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424008 — BRACKET,MOUNTING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

424008: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include end_item_identification: TF-33 AIRCRAFT ENGINE. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-042-4008, 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
424008
NSN: 5305-00-042-4008
NIINs: 000424008, 005014181
FSC: 5305 — Screws
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
end_item_identificationTF-33 AIRCRAFT ENGINE
NSN5305-00-042-4008
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 424008 · 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
•
NONMACHINE NOMINAL THREAD DIAMETER: 0.086 INCHES IN
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
•
NONMACHINE THREAD STYLE: WOOD SCREW (TYPE WD)
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633,CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HEAD STYLE: FLAT COUNTERSUNK
•
NONDEFINITIVE SPEC/STD DATA: 2S STYLE
•
INTERNAL DRIVE STYLE: SLOT
•
COUNTERSINK ANGLE: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER0.086 INCHES IN
FASTENER LENGTH0.375 INCHES NOMINAL IN
NONMACHINE THREAD STYLEWOOD SCREW (TYPE WD)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633,CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEFLAT COUNTERSUNK
NONDEFINITIVE SPEC/STD DATA2S STYLE
INTERNAL DRIVE STYLESLOT
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
MATERIALSTEEL OVERALL
HEAD DIAMETER0.156 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
FFS111STYLE2SReference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 424008?
424008 is a BRACKET,MOUNTING.
What parts can replace 424008?
There is 1 known substitute for 424008: FFS111STYLE2S. Substitute compatibility should be verified for your specific system.
What is the NSN for 424008?
424008 is cataloged in the U.S. Government catalog under NSN 5305-00-042-4008. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.