Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF, hardness_rating: 68.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, criticality_code_justification: ZZZY. This part is cataloged in the Federal Logistics Information System under NSN 5331-00-771-3357, 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
2621-906-19 PIECE 21
NSN:5331-00-771-3357 FSC:5331 — O-RING CAGE:96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating
-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
hardness_rating
68.0 SHORE DUROMETER A NOMINAL
center_hole_diameter
0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
cross-sectional_height
0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
criticality_code_justification
ZZZY
material_document_and_classification
MIL-P-5516,CL B MIL SPEC SINGLE MATERIAL RESPONSE
reference_number_differentiating_characteristics
CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
NSN
5331-00-771-3357
COMPONENT DIAGRAM
KEY FEATURES
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
HARDNESS RATING: 68.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CENTER HOLE DIAMETER: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-5516,CL B MIL SPEC SINGLE MATERIAL RESPONSE
•
TEMP RATING: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATION
ZZZY
CROSS-SECTIONAL HEIGHT
0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
HARDNESS RATING
68.0 SHORE DUROMETER A NOMINAL
MATERIAL
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER
0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
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FREQUENTLY ASKED QUESTIONS
What is 2621-906-19 PIECE 21?
2621-906-19 PIECE 21 is a O-RING.
What parts can replace 2621-906-19 PIECE 21?
There are 15 known substitutes for 2621-906-19 PIECE 21: 05001-2, 011120EL, 011120XX and 12 more. Substitute compatibility should be verified for your specific system.
Is 2621-906-19 PIECE 21 still available?
2621-906-19 PIECE 21 is currently cancelled.
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