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Technical Data Sheet
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149-4291 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

149-4291: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5305-00-880-1456, 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
149-4291
NSN: 5305-00-880-1456
NIINs: 008801456, 014742028
FSC: 5305 — Screws
CAGE: 00752 — L3HARRIS TECHNOLOGIES, INC. DBA HARRIS CORP DIV ANTENNA PRODUCTS (USA)
SPECIFICATIONS
end_item_identificationCONTRACTOR LOGISTICS LIFETIME SUPPORT (CRLS) ROLLER, VIBRATORY, SELF-PROPELLED, TYPE II CATERPILLAR MODEL CS-563D CONTRACT NO. DAAE07-98-C-S007 NSN 3895-01-456-2735 TM-5-3895-383
NSN5305-00-880-1456
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 149-4291 · 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
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HEAD HEIGHT: 0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
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SCREW SURFACE TREATMENT: PASSIVATE
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FASTENER LENGTH: 1.250 INCHES NOMINAL IN
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SCREW MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES
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THREAD LENGTH: 1.250 INCHES MAXIMUM IN
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NOMINAL THREAD DIAMETER: 0.086 INCHES IN
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HEAD STYLE: PAN NO. 2
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH1.250 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES
THREAD LENGTH1.250 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.086 INCHES IN
HEAD STYLEPAN NO. 2
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 304 OR STEEL COMP 305
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
SUBSTITUTES & CROSS-REFERENCES 1
TF37C256-20Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 149-4291?
149-4291 is a SCREW,MACHINE.
What parts can replace 149-4291?
There is 1 known substitute for 149-4291: TF37C256-20. Substitute compatibility should be verified for your specific system.
What is the NSN for 149-4291?
149-4291 is cataloged in the U.S. Government catalog under NSN 5305-00-880-1456. This indicates validated use in U.S. government and defense supply chains.
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