C7978-2 — GROMMET,NONMETALLIC

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

C7978-2: GROMMET,NONMETALLIC.

The GROMMET,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: PLASTIC TETRAFLUOROETHYLENE OVERALL, hole_width: 2.500 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN, hole_length: 2.500 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN, groove_width: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, grommet_style: ROUND, overall_height: 0.300 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-044-3131, 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

C7978-2

NSN: 5325-01-044-3131
FSC: 5325 — Fastening Devices
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)

SPECIFICATIONS

material	PLASTIC TETRAFLUOROETHYLENE OVERALL
hole_width	2.500 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN
hole_length	2.500 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN
groove_width	0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
grommet_style	ROUND
overall_height	0.300 INCHES NOMINAL IN
flange_thickness	0.090 INCHES NOMINAL IN
groove_outside_diameter	2.990 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN
grommet_construction_type	SPLIT
large_flange_outside_diameter	3.240 INCHES MINIMUM AND 3.250 INCHES MAXIMUM IN
material_document_and_classification	AMS 3651 ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN	5325-01-044-3131

COMPONENT DIAGRAM

KEY FEATURES

•

GROMMET STYLE: ROUND

•

FLANGE THICKNESS: 0.090 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3651 ASSN STD ALL MATERIAL RESPONSES OVERALL

•

LARGE FLANGE OUTSIDE DIAMETER: 3.240 INCHES MINIMUM AND 3.250 INCHES MAXIMUM IN

•

HOLE WIDTH: 2.500 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN

•

GROOVE OUTSIDE DIAMETER: 2.990 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN

•

HOLE LENGTH: 2.500 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.300 INCHES NOMINAL IN
GROMMET STYLE	ROUND
FLANGE THICKNESS	0.090 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 3651 ASSN STD ALL MATERIAL RESPONSES OVERALL
LARGE FLANGE OUTSIDE DIAMETER	3.240 INCHES MINIMUM AND 3.250 INCHES MAXIMUM IN
HOLE WIDTH	2.500 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN
GROOVE OUTSIDE DIAMETER	2.990 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN
HOLE LENGTH	2.500 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN
GROMMET CONSTRUCTION TYPE	SPLIT
MATERIAL	PLASTIC TETRAFLUOROETHYLENE OVERALL

SUBSTITUTES & CROSS-REFERENCES 1

1701Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 C7978-2?

C7978-2 is a GROMMET,NONMETALLIC.

What parts can replace C7978-2?

There is 1 known substitute for C7978-2: 1701. Substitute compatibility should be verified for your specific system.

What is the NSN for C7978-2?

C7978-2 is cataloged in the U.S. Government catalog under NSN 5325-01-044-3131. This indicates validated use in U.S. government and defense supply chains.

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C7978-2 — GROMMET,NONMETALLIC

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