259503 PIECE 7L1 — RETAINER,STEM

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

259503 PIECE 7L1: RETAINER,STEM.

The RETAINER,STEM is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY, general_characteristics_item_description: MATERIAL-SN-BRZ PER QQ-C-390,ALLOY 903 TYPE III, reference_number_differentiating_characteristics: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-253-0971, 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

259503 PIECE 7L1

NSN: 4820-01-253-0971
FSC: 4820 — Valves, Nonpowered
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)

SPECIFICATIONS

criticality_code_justification	ZZZY
general_characteristics_item_description	MATERIAL-SN-BRZ PER QQ-C-390,ALLOY 903 TYPE III
reference_number_differentiating_characteristics	QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
NSN	4820-01-253-0971

COMPONENT DIAGRAM

KEY FEATURES

•

GENERAL CHARACTERISTICS ITEM DESCRIPTION: MATERIAL-SN-BRZ PER QQ-C-390,ALLOY 903 TYPE III

•

CRITICALITY CODE JUSTIFICATION: ZZZY

•

REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS

TECHNICAL CHARACTERISTICS

GENERAL CHARACTERISTICS ITEM DESCRIPTION	MATERIAL-SN-BRZ PER QQ-C-390,ALLOY 903 TYPE III
CRITICALITY CODE JUSTIFICATION	ZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS

OTHER ITEMS IN FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230

SUBSTITUTES & CROSS-REFERENCES 3

259503 PIECE 7Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

255578 PIECE 5L1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

255578 PIECE 5Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Demilitarization required — mutilation

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FREQUENTLY ASKED QUESTIONS

What is 259503 PIECE 7L1?

259503 PIECE 7L1 is a RETAINER,STEM.

What parts can replace 259503 PIECE 7L1?

There are 3 known substitutes for 259503 PIECE 7L1: 259503 PIECE 7, 255578 PIECE 5L1, 255578 PIECE 5. Substitute compatibility should be verified for your specific system.

What is the NSN for 259503 PIECE 7L1?

259503 PIECE 7L1 is cataloged in the U.S. Government catalog under NSN 4820-01-253-0971. This indicates validated use in U.S. government and defense supply chains.

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