681 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

681: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include phase: SINGLE, shape: ROUND, length: 18.000 INCHES NOMINAL IN, end_type: INTERNAL THREAD FIRST END, material: COPPER ALLOY OVERALL, duty_type: CONTINUOUS. This part is cataloged in the U.S.

Government catalog under NSN 7510-00-059-5079, 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

681

NSN: 7510-00-059-5079
NIINs: 000595079, 000736094, 000736095, 000736096, 000870673, 001132778, 001654199, 003834819, 004553539, 004701231, 004737373, 005165497, 005387328, 005423289, 006463637, 008317608, 008855887, 008883254, 009288429, 009329727, 009950453, 009950455, 013163930, 013573070, 013796383
FSC: 7510 — Office Supplies
CAGE: 26066 — MINNESOTA MINING AND MFG CO INDUSTRIAL TAPE DIV

SPECIFICATIONS

phase	SINGLE
shape	ROUND
length	18.000 INCHES NOMINAL IN
end_type	INTERNAL THREAD FIRST END
material	COPPER ALLOY OVERALL
duty_type	CONTINUOUS
body_style	CYLINDRICAL FRAME
body_width	2.375 INCHES NOMINAL IN
cone_width	1.6250 INCHES NOMINAL IN
port_style	GASKET SEAL LOCATION NOT OTHERWISE SPECIFIED
body_height	3.812 INCHES NOMINAL IN
body_length	2.750 INCHES NOMINAL IN
NSN	7510-00-059-5079

COMPONENT DIAGRAM

KEY FEATURES

•

CORE NOMINAL DIAMETER: 3.000 INCHES IN

•

SURFACE LUSTER: LUSTERLESS

•

NOMINAL OVERALL THICKNESS: 0.0030 INCHES IN

•

NOMINAL LENGTH: 72.0 YARDS

•

MATERIAL TRANSPARENCY: CLEAR

•

COLOR: COLORLESS OVERALL

•

NOMINAL WIDTH: 0.750 INCHES IN

•

MINIMUM TENSILE STRENGTH: 28 POUNDS PER SQUARE INCH LBS

TECHNICAL CHARACTERISTICS

CORE NOMINAL DIAMETER	3.000 INCHES IN
SURFACE LUSTER	LUSTERLESS
NOMINAL OVERALL THICKNESS	0.0030 INCHES IN
NOMINAL LENGTH	72.0 YARDS
MATERIAL TRANSPARENCY	CLEAR
COLOR	COLORLESS OVERALL
NOMINAL WIDTH	0.750 INCHES IN
MINIMUM TENSILE STRENGTH	28 POUNDS PER SQUARE INCH LBS
MATERIAL	PLASTIC POLYVINYL CHLORIDE (PVC) BASIC
ADHESIVE LOCATION	ONE SIDE

SUBSTITUTES & CROSS-REFERENCES 3

PPP-T-70Reference document

Same NSN cross-reference

Reference document — Secondary reference

681 3/4 IN. CLEAReference document

Same NSN cross-reference

Reference document — Secondary reference

A-A-1684Reference document

Same NSN cross-reference

Reference document — Identification reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 681?

681 is a TRANSFORMER,AUDIO FREQUENCY.

What parts can replace 681?

There are 3 known substitutes for 681: PPP-T-70, 681 3/4 IN. CLEA, A-A-1684. Substitute compatibility should be verified for your specific system.

What is the NSN for 681?

681 is cataloged in the U.S. Government catalog under NSN 7510-00-059-5079. This indicates validated use in U.S. government and defense supply chains.

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