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D371 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited
Duracell · ORING SEAL
PRODUCT OVERVIEW

D371: TRANSFORMER,AUDIO FREQUENCY.

Duracell plus Watch Battery. High Performance. This is a non-rechargeable battery.

Key specifications include material: RUBBER SYNTHETIC OVERALL, body_width: 0.750 INCHES NOMINAL IN, body_height: 1.125 INCHES NOMINAL IN, body_length: 0.750 INCHES NOMINAL IN, overall_width: 4.406 INCHES NOMINAL IN, aperture_width: 4.126 INCHES NOMINAL IN. This part is cataloged in the U.S. Government catalog under NSN 5330-00-526-5997, 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
D371
NSN: 5330-00-526-5997
NIINs: 005265997, 009278547
FSC: 5330 — Packing and Gasket Materials
CAGE: 03487 — ANDREA ELECTRONICS CORPORATION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
body_width0.750 INCHES NOMINAL IN
body_height1.125 INCHES NOMINAL IN
body_length0.750 INCHES NOMINAL IN
overall_width4.406 INCHES NOMINAL IN
aperture_width4.126 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
overall_length8.156 INCHES NOMINAL IN
aperture_length7.876 INCHES NOMINAL IN
hardness_rating45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating300.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
NSN5330-00-526-5997
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D371 MFR: Duracell ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FSC APPLICATION DATA: NAVIGATIONAL INSTRUMENT
•
CROSS-SECTIONAL THICKNESS: 0.175 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.380 INCHES NOMINAL IN
•
HARDNESS RATING: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
•
STYLE DESIGNATOR: NON-CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATANAVIGATIONAL INSTRUMENT
CROSS-SECTIONAL THICKNESS0.175 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.380 INCHES NOMINAL IN
HARDNESS RATING45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
STYLE DESIGNATORNON-CIRCULAR
OVERALL LENGTH8.156 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH4.406 INCHES NOMINAL IN
APERTURE WIDTH4.126 INCHES NOMINAL IN
APERTURE LENGTH7.876 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D371?
D371 is a TRANSFORMER,AUDIO FREQUENCY manufactured by Duracell.
What is the NSN for D371?
D371 is cataloged in the U.S. Government catalog under NSN 5330-00-526-5997. This indicates validated use in U.S. government and defense supply chains.
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