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C9539-4-2 — GROMMET,METALLIC

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

C9539-4-2: 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: 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-145-7575, 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
C9539-4-2
NSN: 5325-01-145-7575
FSC: 5325 — Fastening Devices
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OR STEEL CORROSION RESISTING OR IRON ALLOY 660 OVERALL
barrel_styleSTRAIGHT ROUND TYPE
flange_styleFLANGE
washer_styleFLAT
barrel_height0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
barrel_outside_diameter0.307 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN
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
NSN5325-01-145-7575
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: C9539-4-2 · 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
•
FLANGE STYLE: FLANGE
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
MATERIALSTEEL COMP 304 OR STEEL CORROSION RESISTING OR IRON ALLOY 660 OVERALL
FLANGE STYLEFLANGE
BARREL STYLESTRAIGHT ROUND TYPE
BARREL HEIGHT0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
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 5
CA21038C-4-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5325PL0719692Reference document
Same NSN cross-reference
Reference document — Informative reference only
120002-4-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5325PL1816100Reference document
Same NSN cross-reference
Reference document — Informative reference only
5325PL1740305Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C9539-4-2?
C9539-4-2 is a GROMMET,METALLIC.
What parts can replace C9539-4-2?
There are 5 known substitutes for C9539-4-2: CA21038C-4-2, 5325PL0719692, 120002-4-2 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C9539-4-2?
C9539-4-2 is cataloged in the U.S. Government catalog under NSN 5325-01-145-7575. This indicates validated use in U.S. government and defense supply chains.
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