PartsTable
Technical Data Sheet

H138R11/4 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

H138R11/4: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include end_item_identification: 1905-01-284-2647 LANDING CRAFT, MECHANIZED, part_name_assigned_by_controlling_agency: 1 1/4" EXTENSION SPLIT RING HANGER. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-590-0669, 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
H138R11/4
NSN: 5325-01-590-0669
FSC: 5325 — Fastening Devices
CAGE: 0YKX1 — MISSOURI-KANSAS SUPPLY CO INC DBA MKS PIPE & VALVE CO (USA)
SPECIFICATIONS
end_item_identification1905-01-284-2647 LANDING CRAFT, MECHANIZED
part_name_assigned_by_controlling_agency1 1/4" EXTENSION SPLIT RING HANGER
NSN5325-01-590-0669
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: H138R11/4 · 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCY1 1/4" EXTENSION SPLIT RING HANGER
END ITEM IDENTIFICATION1905-01-284-2647 LANDING CRAFT, MECHANIZED
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
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 H138R11/4?
H138R11/4 is a RING,RETAINING.
What is the NSN for H138R11/4?
H138R11/4 is cataloged in the U.S. Government catalog under NSN 5325-01-590-0669. 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.