Part Number
Definition:
A THIN FLAT METAL OR PLASTIC ITEM OF VARIOUS PERIPHERAL SHAPES HAVING A SOLID OR LAMINATED CROSS-SECTION. IT IS DESIGNED TO MAINTAIN A PREDETERMINED DISTANCE BETWEEN TWO SURFACES. FOR ROUND ITEMS WITHOUT A HOLE AND HAVING A SOLID RECTANGULAR CROSS-SECTION USE DISK, SOLID, PLAIN. ITEMS WITH EITHER (1) A SOLID (NOT LAMINATED) CROSS-SECTION, OR (2) A NON-SEPARABLE LAMINATED CROSS-SECTION WITH ONE HOLE CENTRALLY LOCATED, MUST HAVE A THICKNESS LESS THAN 0.006 INCH (0.152 MM) FOR ITEMS LESS THAN 1/4 INCH (6.35 MM) OUTSIDE DIAMETER OR SHORTEST DISTANCE ACROSS PERIPHERAL FLATS, AND LESS THAN 0.016 INCH (0.406 MM) FOR ITEMS 1/4 INCH (6.35 MM) OR MORE OUTSIDE DIAMETER, OR SHORTEST DISTANCE ACROSS PERIPHERAL FLATS. FOR ITEMS WITH THICKNESS GREATER THAN THOSE INDICATED ABOVE, SEE SPACER, PLATE; WASHER, FLAT AND SPACER, RING. WHEN THICKNESS AND/OR OUTSIDE DIAMETER OR SHORTEST DISTANCE ACROSS PERIPHERAL FLATS IS DESIGNATED AS A TOLERANCE DIMENSION, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE. SEE ALSO SHIM STOCK, LAMINATED; SHIM STOCK ASSORTMENT, GASKET; AND BEARING, WASHER, THRUST.
CAGE Information
| Code | Company |
|---|---|
| 78286 | SIKORSKY AIRCRAFT CORPORATION |
Federal Supply Class
Title
BUSHINGS, RINGS, SHIMS, AND SPAC
Inclusions:
INCLUDES EXTERNALLY THREADED RINGS; KEYED AND SERRATED LOCK RINGS; DEE RINGS; INSTRUMENT RETAINING RINGS; SHIM SETS AND ASSORTMENTS; PLATE SPACERS; RING SPACERS; SLEEVE SPACERS; STEPPED SPACERS; SPACER SETS AND ASSORTMENTS; SLEEVE BUSHINGS; MACHINE THREADED BUSHINGS; MACHINE THREADED PLUGS.
Exclusions:
EXCLUDES SLEEVE BEARINGS (FSC 3120); PIPE THREADED PLUGS (FSC 4730); PISTON RINGS (FSC 2520, 2805, 2810, 2815, 2825, 2990, 3040, 4310, AND 4820); RETAINING RINGS (FSC 5325); SHIM STOCK (FSC 9515).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| MATT | MATERIAL | COPPER ALLOY 360 OR COPPER ALLOY 347 OR COPPER ALLOY 356 OR COPPER ALLOY 345 OR COPPER ALLOY 340 OR COPPER ALLOY 335 OR COPPER ALLOY 332 OR COPPER ALLOY 331 OR COPPER ALLOY 274 OR COPPER ALLOY 272 OR COPPER ALLOY 262 OR COPPER ALLOY 342 OR COPPER ALLOY 240 OR COPPER ALLOY 260 OR COPPER ALLOY 268 OR COPPER ALLOY 330 OR COPPER ALLOY 348 OR COPPER ALLOY 353 OR COPPER ALLOY 350 OR COPPER ALLOY 230 OR COPPER ALLOY 270 OR COPPER ALLOY 344 OR COPPER ALLOY 280 OR COPPER ALLOY 370 |
| ADUY | CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH | 3.000 INCHES NOMINAL |
| CBBL | FEATURES PROVIDED | SEPARABLE |
| ZZZV | FSC APPLICATION DATA | DRIVE SHAFT,ROTOR HELICOPTER |
| BRDX | LAMINATION QUANTITY | 63 |
| BRDY | LAMINATION THICKNESS | 0.002 INCHES NOMINAL |
| ADVD | OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH | 1.125 INCHES NOMINAL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 COMPOSITION AND 1 TYPE AND 1 CLASS |
| STYL | STYLE DESIGNATOR | NON-CIRCULAR W/BOLT HOLES |
| AECS | BOLT HOLE QUANTITY | 4 |
| ABHP | OVERALL LENGTH | 6.000 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 4.500 INCHES NOMINAL |
| ADVE | OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH | 0.750 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613 FED SPEC ALL MATERIAL RESPONSES |
| ADUZ | CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 3.750 INCHES NOMINAL |
| AAUB | HOLE DIAMETER | 0.313 INCHES NOMINAL |
| CQCF | CONSTRUCTION | LAMINATED |