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5J7157 — VALVE,BLEEDER,HYDRAULIC SYSTEM

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

5J7157: VALVE,BLEEDER,HYDRAULIC SYSTEM.

The VALVE,BLEEDER,HYDRAULIC SYSTEM is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: 637-D SERVO BLEED VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-929-5526, 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
5J7157
NSN: 4820-00-929-5526
FSC: 4820 — Valves, Nonpowered
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
special_featuresSTEEL,1.219 IN. LG O/A,THD MALE,1/2-20 UNF RH.THD,0.438 IN. THD LG,HEX WRENCHING FEATURE,0.750 IN. W ACROSS FLATS,0.250 IN. H,0.125 IN. DIA BORE,0.910 IN. DEEP,CONE SHAPED TIP,75 DEG ANGLE IN
end_item_identificationSCRAPER, ELEV NONO-SECTIONALIZED, 613BSNS; SHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE); SCRAPER (621B); SCRAPER, TRACTOR; SCRAPER TRACTOR, WHEELED; CATERILLAR SCRAPER MODEL 621 SERIES C
part_name_assigned_by_controlling_agency637-D SERVO BLEED VALVE
NSN4820-00-929-5526
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 5J7157 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESSTEEL,1.219 IN. LG O/A,THD MALE,1/2-20 UNF RH.THD,0.438 IN. THD LG,HEX WRENCHING FEATURE,0.750 IN. W ACROSS FLATS,0.250 IN. H,0.125 IN. DIA BORE,0.910 IN. DEEP,CONE SHAPED TIP,75 DEG ANGLE IN
PART NAME ASSIGNED BY CONTROLLING AGENCY637-D SERVO BLEED VALVE
END ITEM IDENTIFICATIONSCRAPER, ELEV NONO-SECTIONALIZED, 613BSNS; SHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE); SCRAPER (621B); SCRAPER, TRACTOR; SCRAPER TRACTOR, WHEELED; CATERILLAR SCRAPER MODEL 621 SERIES C
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5J7157?
5J7157 is a VALVE,BLEEDER,HYDRAULIC SYSTEM.
What is the NSN for 5J7157?
5J7157 is cataloged in the U.S. Government catalog under NSN 4820-00-929-5526. 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.