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CA21038C4-7 — GROMMET,METALLIC

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

CA21038C4-7: GROMMET,METALLIC.

The GROMMET,METALLIC is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OR STEEL CORROSION RESISTING OR IRON ALLOY 660 OVERALL, barrel_style: STRAIGHT ROUND TYPE, flange_style: FLANGE, washer_style: FLAT, barrel_height: 0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-423-8800, 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
CA21038C4-7
NSN: 5325-01-423-8800
FSC: 5325 — Fastening Devices
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OR STEEL CORROSION RESISTING OR IRON ALLOY 660 OVERALL
barrel_styleSTRAIGHT ROUND TYPE
flange_styleFLANGE
washer_styleFLAT
barrel_height0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
barrel_outside_diameter0.307 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN
end_item_identificationF-16
flange_outside_diameter0.485 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-763 COND A FED SPEC 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5525 ASSN STD 3RD MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416, TY 2, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5325-01-423-8800
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CA21038C4-7 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, TY 2, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FLANGE OUTSIDE DIAMETER: 0.485 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 COND A FED SPEC 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5525 ASSN STD 3RD MATERIAL RESPONSE OVERALL
•
WASHER STYLE: FLAT
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
BARREL OUTSIDE DIAMETER: 0.307 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 304 OR STEEL CORROSION RESISTING OR IRON ALLOY 660 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TY 2, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FLANGE OUTSIDE DIAMETER0.485 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 COND A FED SPEC 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5525 ASSN STD 3RD MATERIAL RESPONSE OVERALL
WASHER STYLEFLAT
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
BARREL OUTSIDE DIAMETER0.307 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONF-16
MATERIALSTEEL COMP 304 OR STEEL CORROSION RESISTING OR IRON ALLOY 660 OVERALL
FLANGE STYLEFLANGE
BARREL STYLESTRAIGHT ROUND TYPE
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 1
5325PL0719563Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CA21038C4-7?
CA21038C4-7 is a GROMMET,METALLIC.
What parts can replace CA21038C4-7?
There is 1 known substitute for CA21038C4-7: 5325PL0719563. Substitute compatibility should be verified for your specific system.
What is the NSN for CA21038C4-7?
CA21038C4-7 is cataloged in the U.S. Government catalog under NSN 5325-01-423-8800. 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.