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1178-20 — CRYSTAL UNIT,QUARTZ

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1178-20: CRYSTAL UNIT,QUARTZ.

The CRYSTAL UNIT,QUARTZ is a the manufacturer industrial component. Key specifications include material: GLASS COVER HOLDER, body_width: 0.402 INCHES MAXIMUM IN, overall_width: 0.435 INCHES MAXIMUM IN, aperture_width: 5.880 INCHES NOMINAL IN, body_thickness: 0.150 INCHES MAXIMUM IN, overall_length: 0.530 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-150-2479, 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
1178-20
NSN: 5330-00-150-2479
NIINs: 001502479, 005834024, 014234100
FSC: 5330 — Packing and Gasket Materials
CAGE: 72314 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
materialGLASS COVER HOLDER
body_width0.402 INCHES MAXIMUM IN
overall_width0.435 INCHES MAXIMUM IN
aperture_width5.880 INCHES NOMINAL IN
body_thickness0.150 INCHES MAXIMUM IN
overall_length0.530 INCHES MAXIMUM IN
aperture_length11.060 INCHES NOMINAL IN
terminal_length0.5003 INCHES MINIMUM IN
special_featuresSTANDARD IMPLANT; 10MM MM
style_designatorRECTANGULAR BODY, GULL WING
circuit_resonanceSERIES RESONANCE
overall_thickness0.183 INCHES MAXIMUM IN
NSN5330-00-150-2479
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1178-20 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
•
CROSS-SECTIONAL THICKNESS: 0.060 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.400 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-6130 TY 2 GR A COND MED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 5.880 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.060 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.400 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-6130 TY 2 GR A COND MED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH11.560 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH6.380 INCHES NOMINAL IN
APERTURE WIDTH5.880 INCHES NOMINAL IN
APERTURE LENGTH11.060 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.650 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1178-20?
1178-20 is a CRYSTAL UNIT,QUARTZ.
What is the NSN for 1178-20?
1178-20 is cataloged in the U.S. Government catalog under NSN 5330-00-150-2479. This indicates validated use in U.S. government and defense supply chains.
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