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1128HM40030-11 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1128HM40030-11: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include ring_style: STRAIGHT GAP, usage_design: INTERNAL, inside_diameter: 0.875 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN, major_thickness: 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN, cross-sectional_shape_style: RECTANGULAR, part_name_assigned_by_controlling_agency: NAVY SPECIAL PROJECT. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-446-9228, 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
1128HM40030-11
NSN: 5325-00-446-9228
FSC: 5325 — Fastening Devices
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
ring_styleSTRAIGHT GAP
usage_designINTERNAL
inside_diameter0.875 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN
major_thickness0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
cross-sectional_shape_styleRECTANGULAR
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5325-00-446-9228
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1128HM40030-11 · 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
•
USAGE DESIGN: INTERNAL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MAJOR THICKNESS: 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.875 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN
•
RING STYLE: STRAIGHT GAP
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MAJOR THICKNESS0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
INSIDE DIAMETER0.875 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN
RING STYLESTRAIGHT GAP
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
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 1128HM40030-11?
1128HM40030-11 is a RING,RETAINING.
What is the NSN for 1128HM40030-11?
1128HM40030-11 is cataloged in the U.S. Government catalog under NSN 5325-00-446-9228. 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.