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717512561-029 — STOP,MECHANICAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

717512561-029: STOP,MECHANICAL.

The STOP,MECHANICAL is a the manufacturer industrial component. Key specifications include material: STEEL AND RUBBER, design_type: FLANGE, thread_class: 2A A, overall_width: 0.355 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, overall_length: 0.380 INCHES NOMINAL IN, flange_thickness: 0.050 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-374-0500, 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
717512561-029
NSN: 5340-01-374-0500
FSC: 5340 — Hardware, Commercial
CAGE: 04939 — LOCKHEED MARTIN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL AND RUBBER
design_typeFLANGE
thread_class2A A
overall_width0.355 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
overall_length0.380 INCHES NOMINAL IN
flange_thickness0.050 INCHES NOMINAL IN
nominal_thread_size0.164 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_document_and_classificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-01-374-0500
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 717512561-029 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
•
FLANGE THICKNESS: 0.050 INCHES NOMINAL IN
•
DESIGN TYPE: FLANGE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
•
NOMINAL THREAD SIZE: 0.164 INCHES IN
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 32
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.050 INCHES NOMINAL IN
DESIGN TYPEFLANGE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.380 INCHES NOMINAL IN
OVERALL WIDTH0.355 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.164 INCHES IN
THREAD CLASS2A A
THREAD QUANTITY PER INCH32
MATERIALSTEEL AND RUBBER
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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
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FREQUENTLY ASKED QUESTIONS
What is 717512561-029?
717512561-029 is a STOP,MECHANICAL.
What is the NSN for 717512561-029?
717512561-029 is cataloged in the U.S. Government catalog under NSN 5340-01-374-0500. 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.