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803-8436639 PC 74 — CONNECTING LINK,RIGID

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

803-8436639 PC 74: CONNECTING LINK,RIGID.

The CONNECTING LINK,RIGID is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316, special_features: 3/8 INCH X 1 1/2 INCH FB IN, material_document_and_classification: ASTM A276/A276M, TYPE 316, COND A AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE, part_name_assigned_by_controlling_agency: CONNECTING ROD TOP. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-722-4199, 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
803-8436639 PC 74
NSN: 5340-01-722-4199
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 316
special_features3/8 INCH X 1 1/2 INCH FB IN
material_document_and_classificationASTM A276/A276M, TYPE 316, COND A AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyCONNECTING ROD TOP
NSN5340-01-722-4199
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 803-8436639 PC 74 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A276/A276M, TYPE 316, COND A AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE
•
MATERIAL: STEEL COMP 316
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276/A276M, TYPE 316, COND A AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE
SPECIAL FEATURES3/8 INCH X 1 1/2 INCH FB IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCONNECTING ROD TOP
MATERIALSTEEL COMP 316
SUBSTITUTES & CROSS-REFERENCES 2
803-8436639Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
A026-066-QAC010 PC 74Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 803-8436639 PC 74?
803-8436639 PC 74 is a CONNECTING LINK,RIGID.
What parts can replace 803-8436639 PC 74?
There are 2 known substitutes for 803-8436639 PC 74: 803-8436639, A026-066-QAC010 PC 74. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-8436639 PC 74?
803-8436639 PC 74 is cataloged in the U.S. Government catalog under NSN 5340-01-722-4199. 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.