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444270 — GUIDE,ROLLER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

444270: GUIDE,ROLLER.

The GUIDE,ROLLER is a the manufacturer industrial component. Key specifications include end_item_identification: MK4 STANCHION, general_characteristics_item_description: NEXT HIGHER ASSEMBLY, PART NUMBER 010006. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-044-4270, 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
444270
NSN: 5305-00-044-4270
NIINs: 000444270, 014955002
FSC: 5305 — Screws
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
end_item_identificationMK4 STANCHION
general_characteristics_item_descriptionNEXT HIGHER ASSEMBLY, PART NUMBER 010006
NSN5305-00-044-4270
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 444270 · 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
•
WIDTH ACROSS FLATS: 0.375 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
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THREAD LENGTH: 1.000 INCHES MAXIMUM IN
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
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MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-624 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-624 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-624 FED SPEC 6TH MATERIAL RESPONSE OR QQ-S-624 FED SPEC 7TH MATERIAL RESPONSE OR QQ-S-624 FED SPEC 8TH MATERIAL RESPONSE OR QQ-S-624 9440 FED SPEC 9TH MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
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HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.375 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
HEAD HEIGHT0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
FASTENER LENGTH1.000 INCHES NOMINAL IN
THREAD LENGTH1.000 INCHES MAXIMUM IN
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-624 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-624 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-624 FED SPEC 6TH MATERIAL RESPONSE OR QQ-S-624 FED SPEC 7TH MATERIAL RESPONSE OR QQ-S-624 FED SPEC 8TH MATERIAL RESPONSE OR QQ-S-624 9440 FED SPEC 9TH MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
FFS86TYPE1STYLE11Reference 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 444270?
444270 is a GUIDE,ROLLER.
What parts can replace 444270?
There is 1 known substitute for 444270: FFS86TYPE1STYLE11. Substitute compatibility should be verified for your specific system.
What is the NSN for 444270?
444270 is cataloged in the U.S. Government catalog under NSN 5305-00-044-4270. This indicates validated use in U.S. government and defense supply chains.
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