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12349953 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12349953: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include surface_treatment: CADMIUM AND CHROMATE OVERALL, inner_groove_depth: 0.178 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN, inner_groove_width: 0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN, outer_groove_depth: 0.178 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN, outer_groove_width: 0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN, peripheral_diameter: 3.829 INCHES MINIMUM AND 3.833 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-252-9209, 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
12349953
NSN: 5330-01-252-9209
FSC: 5330 — Packing and Gasket Materials
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
surface_treatmentCADMIUM AND CHROMATE OVERALL
inner_groove_depth0.178 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
inner_groove_width0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
outer_groove_depth0.178 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
outer_groove_width0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
peripheral_diameter3.829 INCHES MINIMUM AND 3.833 INCHES MAXIMUM IN
center_hole_diameter3.042 INCHES MINIMUM AND 3.046 INCHES MAXIMUM IN
cross-sectional_height0.380 INCHES NOMINAL IN
cross-sectional_shape_styleH CHANNEL FLAT SIDES
material_document_and_classificationASTM A108 ASSN STD ALL MATERIAL RESPONSES OR ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
NSN5330-01-252-9209
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12349953 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
•
OUTER GROOVE DEPTH: 0.178 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
CROSS-SECTIONAL HEIGHT: 0.380 INCHES NOMINAL IN
•
INNER GROOVE DEPTH: 0.178 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD ALL MATERIAL RESPONSES OR ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: H CHANNEL FLAT SIDES
•
PERIPHERAL DIAMETER: 3.829 INCHES MINIMUM AND 3.833 INCHES MAXIMUM IN
•
OUTER GROOVE WIDTH: 0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OUTER GROOVE DEPTH0.178 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
CROSS-SECTIONAL HEIGHT0.380 INCHES NOMINAL IN
INNER GROOVE DEPTH0.178 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD ALL MATERIAL RESPONSES OR ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLEH CHANNEL FLAT SIDES
PERIPHERAL DIAMETER3.829 INCHES MINIMUM AND 3.833 INCHES MAXIMUM IN
OUTER GROOVE WIDTH0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
INNER GROOVE WIDTH0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12349953?
12349953 is a RETAINER,PACKING.
What is the NSN for 12349953?
12349953 is cataloged in the U.S. Government catalog under NSN 5330-01-252-9209. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.