PartsTable
Technical Data Sheet
Download PDF

704906-1 — CIRCUIT CARD ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

704906-1: CIRCUIT CARD ASSEMBLY.

The CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-STYRENE CLASS SBR OVERALL, temp_rating: -20.0 FAHRENHEIT AND 130.0 FAHRENHEIT DEGF, hole_diameter: 0.313 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 13.000 INCHES NOMINAL IN, aperture_width: 10.000 INCHES NOMINAL IN, overall_length: 20.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-209-8046, 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
704906-1
NSN: 5330-01-209-8046
NIINs: 012098046, 015996828
FSC: 5330 — Packing and Gasket Materials
CAGE: 58475 — L-3 COMMUNICATIONS WESTWOOD CORPORATION DBA NMP DIVISION DIV L3 WESTWOOD CORPORATION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-STYRENE CLASS SBR OVERALL
temp_rating-20.0 FAHRENHEIT AND 130.0 FAHRENHEIT DEGF
hole_diameter0.313 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width13.000 INCHES NOMINAL IN
aperture_width10.000 INCHES NOMINAL IN
overall_length20.000 INCHES NOMINAL IN
aperture_length17.000 INCHES NOMINAL IN
hardness_rating40.0 SHORE DUROMETER A MINIMUM AND 50.0 SHORE DUROMETER A MAXIMUM OVERALL
style_designatorNON-CIRCULAR
features_providedELECTROSTATIC SENSITIVE
bolt_hole_quantity12
inside_corner_radius0.500 INCHES NOMINAL IN
NSN5330-01-209-8046
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 704906-1 MFR: OEM ⚠ 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
•
TEMP RATING: -20.0 FAHRENHEIT AND 130.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.500 INCHES NOMINAL IN
•
HARDNESS RATING: 40.0 SHORE DUROMETER A MINIMUM AND 50.0 SHORE DUROMETER A MAXIMUM OVERALL
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-900 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS
TEMP RATING-20.0 FAHRENHEIT AND 130.0 FAHRENHEIT DEGF
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.500 INCHES NOMINAL IN
HARDNESS RATING40.0 SHORE DUROMETER A MINIMUM AND 50.0 SHORE DUROMETER A MAXIMUM OVERALL
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-900 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH20.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH13.000 INCHES NOMINAL IN
APERTURE WIDTH10.000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 704906-1?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 704906-1?
704906-1 is a CIRCUIT CARD ASSEMBLY.
What is the NSN for 704906-1?
704906-1 is cataloged in the U.S. Government catalog under NSN 5330-01-209-8046. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 704906-1

✓ 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.