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A40473-6 — COVER,ACCESS

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A40473-6: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include special_features: NHA: 65319-12008-041, end_item_identification: CH-53A/D/E A, part_name_assigned_by_controlling_agency: COVER. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-813-3159, 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
A40473-6
NSN: 5307-00-813-3159
NIINs: 008133159, 016963524
FSC: 5307 — Studs
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
special_featuresNHA: 65319-12008-041
end_item_identificationCH-53A/D/E A
part_name_assigned_by_controlling_agencyCOVER
NSN5307-00-813-3159
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A40473-6 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A193 B7 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A193 B16 ASSN STD 2ND MATERIAL RESPONSE
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THREAD DIRECTION: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
•
NOMINAL THREAD SIZE: 0.625 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
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THREAD CLASS: 2A LOCATION NOT OTHERWISE SPECIFIED A
•
THREAD QUANTITY PER INCH: 11 LOCATION NOT OTHERWISE SPECIFIED
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MATERIAL: STEEL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A193 B7 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A193 B16 ASSN STD 2ND MATERIAL RESPONSE
OVERALL LENGTH4.750 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
NOMINAL THREAD SIZE0.625 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
THREAD CLASS2A LOCATION NOT OTHERWISE SPECIFIED A
THREAD QUANTITY PER INCH11 LOCATION NOT OTHERWISE SPECIFIED
MATERIALSTEEL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
SUBSTITUTES & CROSS-REFERENCES 1
A404736-1019Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A40473-6?
A40473-6 is a COVER,ACCESS.
What parts can replace A40473-6?
There is 1 known substitute for A40473-6: A404736-1019. Substitute compatibility should be verified for your specific system.
What is the NSN for A40473-6?
A40473-6 is cataloged in the U.S. Government catalog under NSN 5307-00-813-3159. 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.