PartsTable
Technical Data Sheet
PP0284A-187 ✓ Verified by PartsTable
· BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RING,RETAINING is a the manufacturer industrial component. Key specifications include ring_style: INTERNAL, usage_design: INTERNAL, major_thickness: 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN, outside_diameter: 2.047 INCHES MINIMUM AND 2.107 INCHES MAXIMUM IN, surface_treatment: PHOSPHATE ZINC, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-173-0704, 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
PP0284A-187
NSN: 5325-01-173-0704
FSC: 5325
CAGE: 59180 — CIRCOR PUMPS NORTH AMERICA LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1086 OR STEEL COMP 1090
ring_styleINTERNAL
usage_designINTERNAL
major_thickness0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
outside_diameter2.047 INCHES MINIMUM AND 2.107 INCHES MAXIMUM IN
surface_treatmentPHOSPHATE ZINC
casehardening_indicatorNOT CASEHARDENED
end_item_identificationMULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
material_hardness_rating47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
surface_treatment_document_and_classificationMIL-P-16232, TYPE Z, CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE
NSN5325-01-173-0704
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PP0284A-187 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
OUTSIDE DIAMETER: 2.047 INCHES MINIMUM AND 2.107 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66, COMP 1066 FED STD 1ST MATERIAL RESPONSE OR FED STD 66, COMP 1069 FED STD 2ND MATERIAL RESPONSE OR FED STD 66, COMP 1070 FED STD 3RD MATERIAL RESPONSE OR FED STD 66, COMP 1072 FED STD 4TH MATERIAL RESPONSE OR FED STD 66, COMP 1074 FED STD 5TH MATERIAL RESPONSE OR FED STD 66, COMP 1075 FED STD 6TH MATERIAL RESPONSE OR FED STD 66, COMP 1078 FED STD 7TH MATERIAL RESPONSE OR FED STD 66, COMP 1080 FED STD 8TH MATERIAL RESPONSE OR FED STD 66, COMP 1084 FED STD 9TH MATERIAL RESPONSE OR FED STD 66, COMP 1086 FED STD 10TH MATERIAL RESPONSE OR FED STD 66, COMP 1090 FED STD 11TH MATERIAL RESPONSE
MATERIAL HARDNESS RATING: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
MATERIAL: STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1086 OR STEEL COMP 1090
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-P-16232, TYPE Z, CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENT: PHOSPHATE ZINC
USAGE DESIGN: INTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER2.047 INCHES MINIMUM AND 2.107 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66, COMP 1066 FED STD 1ST MATERIAL RESPONSE OR FED STD 66, COMP 1069 FED STD 2ND MATERIAL RESPONSE OR FED STD 66, COMP 1070 FED STD 3RD MATERIAL RESPONSE OR FED STD 66, COMP 1072 FED STD 4TH MATERIAL RESPONSE OR FED STD 66, COMP 1074 FED STD 5TH MATERIAL RESPONSE OR FED STD 66, COMP 1075 FED STD 6TH MATERIAL RESPONSE OR FED STD 66, COMP 1078 FED STD 7TH MATERIAL RESPONSE OR FED STD 66, COMP 1080 FED STD 8TH MATERIAL RESPONSE OR FED STD 66, COMP 1084 FED STD 9TH MATERIAL RESPONSE OR FED STD 66, COMP 1086 FED STD 10TH MATERIAL RESPONSE OR FED STD 66, COMP 1090 FED STD 11TH MATERIAL RESPONSE
MATERIAL HARDNESS RATING47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
MATERIALSTEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1086 OR STEEL COMP 1090
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232, TYPE Z, CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTPHOSPHATE ZINC
USAGE DESIGNINTERNAL
MAJOR THICKNESS0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
RING STYLEINTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1423-1Interchangeable
interchangeable cross-reference
interchangeable
50-0018-7Interchangeable
interchangeable cross-reference
interchangeable
C124-3Interchangeable
interchangeable cross-reference
interchangeable
PN02.01Interchangeable
interchangeable cross-reference
interchangeable
QC13.01-03Interchangeable
interchangeable cross-reference
interchangeable
DM04Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PP0284A-187?
PP0284A-187 is a RING,RETAINING.
What parts can replace PP0284A-187?
There are 12 known substitutes for PP0284A-187: 1423-1, 50-0018-7, C124-3 and 9 more. Substitute compatibility should be verified for your specific system.
Is PP0284A-187 still available?
PP0284A-187 is currently cancelled.
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