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H5471721A-56D4 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

H5471721A-56D4: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include end_item_identification: OPERATOR,LOT HATCH, criticality_code_justification: ZZZY, part_name_assigned_by_controlling_agency: LOWER HATCH OPERATOR, ASSEMBLY AND DETAILS (DRAWING). This part is cataloged in the U.S.

Government catalog under NSN 5305-01-541-2118, 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
H5471721A-56D4
NSN: 5305-01-541-2118
FSC: 5305 — Screws
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
end_item_identificationOPERATOR,LOT HATCH
criticality_code_justificationZZZY
part_name_assigned_by_controlling_agencyLOWER HATCH OPERATOR, ASSEMBLY AND DETAILS (DRAWING)
NSN5305-01-541-2118
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: H5471721A-56D4 · 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
PART NAME ASSIGNED BY CONTROLLING AGENCYLOWER HATCH OPERATOR, ASSEMBLY AND DETAILS (DRAWING)
END ITEM IDENTIFICATIONOPERATOR,LOT HATCH
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES
SUBSTITUTES & CROSS-REFERENCES 9
ERH547-1721A111D4Reference document
Same NSN cross-reference
Reference document — Secondary reference
ERH547-1721A111Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
H547-0001-H5471721-056Reference document
Same NSN cross-reference
Reference document — Secondary reference
ERH547-1721A111D4D4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
H547-1721-56Reference document
Same NSN cross-reference
Reference document — Secondary reference
H5470001-H5471721-56Reference 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 H5471721A-56D4?
H5471721A-56D4 is a SCREW,SHOULDER.
What parts can replace H5471721A-56D4?
There are 9 known substitutes for H5471721A-56D4: ERH547-1721A111D4, ERH547-1721A111, H547-0001-H5471721-056 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H5471721A-56D4?
H5471721A-56D4 is cataloged in the U.S. Government catalog under NSN 5305-01-541-2118. This indicates validated use in U.S. government and defense supply chains.
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