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108305-1 — CUSHION,SEAT BACK,AIRCRAFT

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

108305-1: CUSHION,SEAT BACK,AIRCRAFT.

The CUSHION,SEAT BACK,AIRCRAFT is a the manufacturer industrial component. Key specifications include end_item_identification: USED ON MERLIN HELICOPTER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-040-4648, 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
108305-1
NSN: 5306-01-040-4648
NIINs: 010404648, 014580020
FSC: 5306 — Bolts
CAGE: 82340 — L3HARRIS TECHNOLOGIES, INC. DIV SPACE AND AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
end_item_identificationUSED ON MERLIN HELICOPTER
NSN5306-01-040-4648
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 108305-1 · 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
•
HEAD HEIGHT: 0.220 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.380 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.371 INCHES MINIMUM AND 0.374 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.308 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.220 INCHES NOMINAL IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
SHOULDER LENGTH0.380 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER0.371 INCHES MINIMUM AND 0.374 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.308 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 108305-1?
108305-1 is a CUSHION,SEAT BACK,AIRCRAFT.
What is the NSN for 108305-1?
108305-1 is cataloged in the U.S. Government catalog under NSN 5306-01-040-4648. 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.