PartsTable
Technical Data Sheet
2643-405-01 ITEM 90L1 ✓ Verified by PartsTable
· BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZX, departure_from_cited_designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS, part_name_assigned_by_controlling_agency: SCREW, CAP, SOCKET HE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-545-1417, 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
2643-405-01 ITEM 90L1
NSN: 5305-01-545-1417
FSC: 5305
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
criticality_code_justificationZZZX
departure_from_cited_designatorMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS
part_name_assigned_by_controlling_agencySCREW, CAP, SOCKET HE
NSN5305-01-545-1417
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2643-405-01 ITEM 90L1 · 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: ZZZX
DEPARTURE FROM CITED DESIGNATOR: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, CAP, SOCKET HE
CRITICALITY CODE JUSTIFICATIONZZZX
END ITEM IDENTIFICATION.250 IPS 4500 PSI CRES SW BALL VALVE; VALVE, BALL 0.250IPS 45000PSI CRES SOC WLD; VALVE, BALL 1.000IPS 4500PSI CRES SOC WLD; VALVE, BALL 0.500IPS 4500PSI CRES SOC WLD; VALVE, BALL AIR BLEED 0.500NPS 4500PSI CRES SW; VALV, BALL AIR-BLEED
DEPARTURE FROM CITED DESIGNATORMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
ER2642-771-01D3Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-18240L1Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-18240.375-16UNC-3A1.125Interchangeable
interchangeable cross-reference
interchangeable
2643-405-01 ITEM 91Interchangeable
interchangeable cross-reference
interchangeable
845-7285244 ITEM 91Interchangeable
interchangeable cross-reference
interchangeable
845-7285244 ITEM 90Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2643-405-01 ITEM 90L1?
2643-405-01 ITEM 90L1 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 2643-405-01 ITEM 90L1?
There are 21 known substitutes for 2643-405-01 ITEM 90L1: ER2642-771-01D3, MIL-DTL-18240L1, MIL-DTL-18240.375-16UNC-3A1.125 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2643-405-01 ITEM 90L1?
2643-405-01 ITEM 90L1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-545-1417. This indicates validated use in U.S. government and defense supply chains.
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