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Technical Data Sheet
PartsTable / COMPONENT / D1561-11
D1561-11 ✓ 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 GROMMET,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, groove_width: 0.063 INCHES NOMINAL IN, grommet_style: ROUND, hole_diameter: 0.750 INCHES NOMINAL IN, overall_height: 0.375 INCHES NOMINAL IN, flange_thickness: 0.156 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-720-9054, 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
D1561-11
NSN: 5325-00-720-9054
FSC: 5325
CAGE: 15638 — ROWAN-BMI CORP (USA)
SPECIFICATIONS
materialRUBBER OVERALL
groove_width0.063 INCHES NOMINAL IN
grommet_styleROUND
hole_diameter0.750 INCHES NOMINAL IN
overall_height0.375 INCHES NOMINAL IN
flange_thickness0.156 INCHES NOMINAL IN
groove_outside_diameter1.063 INCHES NOMINAL IN
grommet_construction_typeSPLIT
large_flange_outside_diameter1.375 INCHES NOMINAL IN
material_document_and_classificationMIL-R-3065,TYPE S,CLASS S8 GRADE 512 MIL STD SINGLE MATERIAL RESPONSE OVERALL
NSN5325-00-720-9054
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: D1561-11 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-3065,TYPE S,CLASS S8 GRADE 512 MIL STD SINGLE MATERIAL RESPONSE OVERALL
•
GROOVE WIDTH: 0.063 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.750 INCHES NOMINAL IN
•
LARGE FLANGE OUTSIDE DIAMETER: 1.375 INCHES NOMINAL IN
•
GROMMET STYLE: ROUND
•
GROMMET CONSTRUCTION TYPE: SPLIT
•
FLANGE THICKNESS: 0.156 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-3065,TYPE S,CLASS S8 GRADE 512 MIL STD SINGLE MATERIAL RESPONSE OVERALL
GROOVE WIDTH0.063 INCHES NOMINAL IN
HOLE DIAMETER0.750 INCHES NOMINAL IN
LARGE FLANGE OUTSIDE DIAMETER1.375 INCHES NOMINAL IN
GROMMET STYLEROUND
OVERALL HEIGHT0.375 INCHES NOMINAL IN
GROMMET CONSTRUCTION TYPESPLIT
FLANGE THICKNESS0.156 INCHES NOMINAL IN
MATERIALRUBBER OVERALL
GROOVE OUTSIDE DIAMETER1.063 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
MS35489-20Interchangeable
interchangeable cross-reference
interchangeable
37K103890Interchangeable
interchangeable cross-reference
interchangeable
5325001749038Interchangeable
interchangeable cross-reference
interchangeable
MS35490-20Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D1561-11?
D1561-11 is a GROMMET,NONMETALLIC.
What parts can replace D1561-11?
There are 4 known substitutes for D1561-11: MS35489-20, 37K103890, 5325001749038 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D1561-11?
D1561-11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-720-9054. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026