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H643-7003-59L1 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

H643-7003-59L1: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include end_item_identification: INSERT INTERNALS, AIR INDUCTION, criticality_code_justification: ZZZY, part_name_assigned_by_controlling_agency: (DRAWING) RETAINER; (INAVY) RETAINER AI GAGGING SHAFT, reference_number_differentiating_characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-540-7879, 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
H643-7003-59L1
NSN: 5325-01-540-7879
FSC: 5325 — Fastening Devices
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
end_item_identificationINSERT INTERNALS, AIR INDUCTION
criticality_code_justificationZZZY
part_name_assigned_by_controlling_agency(DRAWING) RETAINER; (INAVY) RETAINER AI GAGGING SHAFT
reference_number_differentiating_characteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
NSN5325-01-540-7879
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: H643-7003-59L1 · 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 NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
PART NAME ASSIGNED BY CONTROLLING AGENCY(DRAWING) RETAINER; (INAVY) RETAINER AI GAGGING SHAFT
END ITEM IDENTIFICATIONINSERT INTERNALS, AIR INDUCTION
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
SUBSTITUTES & CROSS-REFERENCES 3
342-7067322-59Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
H643-7003-59Reference document
Same NSN cross-reference
Reference document — Secondary reference
342-7067322-59L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H643-7003-59L1?
H643-7003-59L1 is a RING,RETAINING.
What parts can replace H643-7003-59L1?
There are 3 known substitutes for H643-7003-59L1: 342-7067322-59, H643-7003-59, 342-7067322-59L1. Substitute compatibility should be verified for your specific system.
What is the NSN for H643-7003-59L1?
H643-7003-59L1 is cataloged in the U.S. Government catalog under NSN 5325-01-540-7879. This indicates validated use in U.S. government and defense supply chains.
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