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MA280004 — ADAPTER,STRAIGHT,TUBE TO BOSS

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MA280004: ADAPTER,STRAIGHT,TUBE TO BOSS.

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: PAN, head_height: 0.115 INCHES NOMINAL IN, head_diameter: 0.322 INCHES NOMINAL IN, fastener_length: 0.375 INCHES NOMINAL IN, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-677-2644, 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
MA280004
NSN: 5305-01-677-2644
NIINs: 016772644, 016773754, 016773759, 016773764, 016773778, 016773790, 016774260, 016774264, 016774299, 016774308, 016774312, 016774313, 016774458, 016774461
FSC: 5305 — Screws
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_stylePAN
head_height0.115 INCHES NOMINAL IN
head_diameter0.322 INCHES NOMINAL IN
fastener_length0.375 INCHES NOMINAL IN
special_featuresTHIS ADAPTER FITTING ASSEMBLY IS USED TO INSTALL TO THE BOOM SHROUD DRAIN HOSE. THIS IS THE INLET PORT USED TO PROVIDE PRESSURIZED NITROGEN FOR SECTION 46/48 AERIAL REFUELING MANIFOLD SHROUD.
surface_treatmentZINC OVERALL
internal_drive_styleCROSS RECESS TYPE II
end_item_identificationKC-46 SE
nonmachine_thread_styleDOG TYPE (TYPE B OR C)
nonmachine_nominal_thread_diameter0.164 INCHES IN
part_name_assigned_by_controlling_agencyHOSE STORAGE CASE ASSEMBLY
NSN5305-01-677-2644
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MA280004 · 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: 0.164 INCHES IN
•
HEAD HEIGHT: 0.115 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
•
NONMACHINE THREAD STYLE: DOG TYPE (TYPE B OR C)
•
HEAD STYLE: PAN
•
SURFACE TREATMENT: ZINC OVERALL
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE II
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD HEIGHT0.115 INCHES NOMINAL IN
FASTENER LENGTH0.375 INCHES NOMINAL IN
NONMACHINE THREAD STYLEDOG TYPE (TYPE B OR C)
HEAD STYLEPAN
SURFACE TREATMENTZINC OVERALL
INTERNAL DRIVE STYLECROSS RECESS TYPE II
PART NAME ASSIGNED BY CONTROLLING AGENCYROUND HEAD THREAD-FORMING SCREW FOR SHEET METAL
END ITEM IDENTIFICATIONKC-46 SE
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
93878A193Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MA280004?
MA280004 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace MA280004?
There is 1 known substitute for MA280004: 93878A193. Substitute compatibility should be verified for your specific system.
What is the NSN for MA280004?
MA280004 is cataloged in the U.S. Government catalog under NSN 5305-01-677-2644. This indicates validated use in U.S. government and defense supply chains.
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